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B2 verb 13分钟阅读

遡る

sakanoboru

开始练习例句笔记与提示遡る 30秒了解

解析遡る in your Level:

At the A1 level, you don't need to worry about the complex historical or legal uses of 遡る (sakanoboru). Instead, think of it as a special word for 'going up.' Imagine a river. Most things, like leaves or boats, go down the river. But some things, like strong fish or people in a rowboat, go 'up' the river toward the mountain. This 'going up a river' is the most basic meaning of sakanoboru. You can remember it by thinking of a salmon. In Japan, salmon are famous for swimming up rivers to lay eggs. This action is always described with sakanoboru. At this stage, just try to recognize the word when you see it in a picture book or a simple nature story. You can also think of it like 'walking back' on a path you just walked, but usually, it's about water. Don't worry about using it in your own speaking yet; just know that it means 'going upstream.' It is a combination of 'saka' (like a slope) and 'noboru' (to climb). So, it's like climbing a water-slope!

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At the A2 level, you can start to see how 遡る (sakanoboru) is used for time, but in very simple ways. While 'modoru' means to go back to a place, 'sakanoboru' is used when you want to talk about going back to a time in the past to check something. For example, if you are looking at a calendar and you look back from today to last week, you are 'tracing back' the days. You might hear a teacher say, 'Let's go back to yesterday's lesson' (Kinō no jugyō ni sakanobotte...). It's a bit more formal than just saying 'yesterday.' You can also use it for simple family stories, like 'Tracing back three generations' (San-dai sakanoboru). The key for A2 learners is to understand that it's not just 'returning,' but 'looking back along a line of events.' Use the particle 'made' to say how far back you are going. For example, 'Sengetsu made sakanoboru' (Go back as far as last month). This word helps you sound more organized when you talk about time.

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By the B1 level, you should be comfortable using 遡る (sakanoboru) for history and origins. This is where the word becomes very useful for students and people interested in Japanese culture. If you are talking about a traditional Japanese festival, you might say it 'goes back to the Edo period' (Edo-jidai made sakanoboru). This sounds much more professional than just saying 'It started in the Edo period.' You are describing the act of tracing the history. You will also see this word in news reports about investigations. If a company has a problem, they might 'trace back' the cause to a mistake made three years ago. In these cases, 遡る is used to show a logical connection between the present and the past. Remember the particle 'wo' for the thing you are tracing (like history or a river) and 'made' for the point you reach. Practice saying 'Rekishi wo sakanoboru' (to trace history) to get the feel of the word. It's an 'u-verb' (Godan), so the past tense is 'sakanobotta.'

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At the B2 level, you are expected to use 遡る (sakanoboru) in more abstract and professional contexts. This includes legal discussions, academic writing, and complex storytelling. You should understand the nuance of 'retroactive' application. For example, if a new rule applies to things that happened before the rule was made, it 'sakanobotte tekiyō saru' (is applied retroactively). This is a very common phrase in business and law. You should also be able to use it to describe the tracing of ideas or linguistic roots. For instance, 'This word's origin traces back to ancient Greek.' Furthermore, at B2, you can use the causative form 'sakanoboraseru' to direct a conversation. 'Let me take the story back a bit' (Hanashi wo sakanoboraseru). This shows a high level of control over the flow of discourse. You should also be able to distinguish 'sakanoboru' from synonyms like 'furikaeru' (reflecting emotionally) and 'kaiko suru' (formal retrospection). 'Sakanoboru' is the most 'detective-like' of these words, focusing on the actual path or sequence of events.

At the C1 level, 遡る (sakanoboru) becomes a tool for deep analysis and literary expression. You will encounter it in philosophy, where an author might 'trace back' human consciousness to its biological roots. You should be sensitive to its use in high-level journalism to describe systemic issues. For example, tracing a current political crisis back to a treaty signed fifty years ago. The word implies a thorough, almost exhaustive search for the source. You should also be aware of its use in genealogy and the study of 'keizu' (family trees), where it carries a sense of respect for ancestors. In C1 level writing, you can use it to create complex sentence structures, such as 'Looking back through the records, which trace back over a century, we find...' (Seiki wo sakanoboru kioku wo tadoreba...). Your usage should reflect an understanding that 'sakanoboru' is not just about time, but about the *continuity* of the flow. It is about the thread that connects the source to the present. You might also see it used in scientific papers regarding evolutionary biology or geology.

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At the C2 level, you possess a native-like grasp of 遡る (sakanoboru), including its most subtle nuances and literary applications. You can use it metaphorically in ways that suggest a 'return to the source' in a spiritual or philosophical sense. For instance, discussing the 'sakanoboru' of the soul to its divine origin. You are comfortable with the word in all its forms, including compound words and rare kanji usages. You can appreciate its use in 'Waka' or 'Haiku' poetry, where the image of a river flowing and the mind 'climbing' back against it creates a powerful sense of 'mono no aware' (the pathos of things). You understand the word's role in the 'Sokyu-hyō' (retroactive tables) of statistical analysis or the 'Sokyu-ken' (right of recourse) in legal terminology. At this level, the word is a flexible instrument in your vocabulary, allowing you to discuss the deep architecture of time and causality with precision and elegance. You can use it to dissect the layers of Japanese history, tracing the 'genryū' (headwaters) of cultural phenomena with the authority of a native scholar.

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开始练习例句笔记与提示

遡る 30秒了解

Literally means 'to go upstream' against a current of water like a river.
Commonly used metaphorically to 'trace back' history, genealogy, or causes.
Used in legal contexts to describe the 'retroactive' application of laws.
Distinct from 'modoru' (to return) as it implies following a specific path to a source.

The Japanese verb 遡る (さかのぼる - sakanoboru) is a fascinating word that bridges the physical world of nature with the abstract world of time and logic. At its most fundamental, literal level, it describes the act of moving against a current, such as a fish swimming upstream or a boat traveling toward the source of a river. However, in modern Japanese, its metaphorical usage—tracing things back through history, memory, or a chain of causality—is even more common and carries a sophisticated, intellectual nuance. To understand this word, one must visualize the 'flow' of something, whether it be water, time, or an argument, and then imagine the act of intentionally moving in the opposite direction to find the beginning or the source.

Physical Movement: Going against the flow of a liquid, typically a river or stream. It implies effort against a natural force.
Temporal Tracing: Looking back into the past. This is used for history, genealogy, or personal memories. It's like 'rewinding' a movie to find the first scene.
Logical Retrospection: Tracing an effect back to its cause. In investigations or debates, you 'sakanoboru' to find the root of a problem.

鮭が産卵のために川を遡る姿は感動的だ。
(The sight of salmon swimming upstream to spawn is moving.)

The word is composed of the kanji 遡, which contains the 'path' radical (辶) and a phonetic component suggesting 'going back' or 'countering.' Historically, the word is a combination of 'saka' (meaning reverse or slope) and 'noboru' (to climb). Thus, 'sakanoboru' literally means 'to climb in reverse.' This imagery is powerful because it suggests that moving back in time or against a current is an uphill battle, requiring mental or physical exertion. You don't just 'go back' (modoru); you 'trace back' with purpose.

歴史を遡って、その事件の原因を調査する。
(We will go back through history to investigate the cause of that incident.)

In professional contexts, you might hear this word regarding laws or contracts. A 'retroactive' law is one that 'sakanobotte' (goes back and) applies to the past. This is a common term in legal and administrative Japanese. In casual conversation, you might use it when someone mentions a story and you want to know how it all started: 'Hanashi wo sakanoboru to...' (To trace the story back...). It adds a layer of depth to your speech, showing that you are looking for the origin or the 'source' rather than just the immediate past.

この伝統は江戸時代まで遡ることができる。
(This tradition can be traced back to the Edo period.)

Culturally, the concept of 'tracing back' is significant in Japan, a country that values lineage, tradition, and the historical continuity of things. Whether it's a family tree (keizu), the history of a temple, or the evolution of a word, 'sakanoboru' is the verb of choice for these academic and reverent pursuits. It is less about 'returning' (which implies going back to a place you belong) and more about 'investigating the path taken to get here.'

記憶を遡ると、幼い頃の風景が浮かんでくる。
(As I trace back my memories, scenes from my childhood come to mind.)

Finally, it is worth noting the difference between 遡る and its antonym, 下る (kudaru - to go down). Just as a river flows down (kudaru), time flows 'down' from the past to the present. Therefore, to go into the past is to 'climb' (sakanoboru) against that flow. This spatial metaphor for time is deeply embedded in the Japanese language, making 'sakanoboru' a key word for anyone wishing to discuss history, origins, or logical roots with precision.

Mastering 遡る requires understanding its grammatical flexibility and the specific particles that accompany it. While it is a relatively straightforward Godan verb (Type 1), the context determines which structures are most appropriate. Whether you are describing a salmon's journey or a historian's research, the following patterns will guide your usage.

Tracing a Path (Object + を): When you are tracing a specific physical or metaphorical route, use the particle 'wo'. For example, 'kawa wo sakanoboru' (to go up the river) or 'rekishi wo sakanoboru' (to trace history).
Tracing to a Point (Point + まで): When you want to specify the 'destination' in the past or upstream, use 'made'. 'Meiji-jidai made sakanoboru' (to trace back as far as the Meiji era).
Retroactive Action (Te-form + Action): To describe an action that applies to the past, use 'sakanobotte'. 'Sakanobotte tekiyō suru' (to apply retroactively).

起源を遡れば、この言葉はラテン語に由来する。
(If we trace back the origin, this word derives from Latin.)

One of the most common mistakes is using 'sakanoboru' for a simple return trip. If you went to the store and then came home, you do NOT use 'sakanoboru.' Use 'modoru' or 'kaeru.' 'Sakanoboru' is reserved for 'tracing' or 'going against a flow.' If you are walking back along a trail specifically to find a lost item, 'sakanoboru' might be used to emphasize that you are retracing your steps to find the source of the loss.

家系図を遡ることで、自分のルーツを知ることができた。
(By tracing back the family tree, I was able to learn about my roots.)

When dealing with numbers or dates, 'sakanoboru' is used to indicate a look at previous records. For instance, 'sengetsu ni sakanobotte shūshī wo kakunin suru' (to go back to last month and check the income and expenses). This implies a systematic review of the past. In scientific contexts, tracing the evolution of a species or the development of a geological feature frequently employs this verb.

数千年前まで遡る遺跡が発見された。
(Ruins dating back thousands of years were discovered.)

In terms of conjugation, it follows the standard pattern for -ru verbs ending in a consonant stem (Godan). For example: Sakanoboranai (Negative), Sakanoborimasu (Polite), Sakanobotta (Past), Sakanoboreba (Conditional). The 'te' form is 'sakanobotte.' Be careful with the small 'tsu' in the past and te-forms, which is common for verbs ending in 'ru' in this category.

話を数日前に遡らせてください。
(Please let me take the story back a few days.)

Lastly, consider the causative form 'sakanoboraseru' (to make someone/something go back). This is often used when a speaker wants to shift the focus of a conversation to an earlier point. 'Hanashi wo sakanoboraseru' literally means 'to make the conversation go back.' It is a polite and structured way to re-examine a previous point or start from the beginning of a narrative sequence.

You will encounter 遡る in a variety of settings, ranging from the highly formal to the narratively descriptive. It is not a word you would typically use to describe everyday chores, but rather one used when discussing the 'bigger picture' of time and nature. Understanding these contexts will help you recognize the specific flavor of the word when you hear it.

News and Documentaries: When a news anchor explains the background of a conflict or a documentary narrator describes the history of a castle, they will use 'sakanoboru' to move the timeline backward. 'Jiken wa jū-nen mae ni sakanoboru...' (The incident traces back ten years...).
Legal and Administrative Settings: In courtrooms or government offices, the concept of 'retroactive application' (sokyu tekiyo) is vital. You will hear 'sakanobotte shiharau' (to pay retroactively) in discussions about pensions or taxes.
Academic Lectures: Professors of history, linguistics, or biology use this word constantly. Tracing the evolution of a kanji character or the lineage of a species involves 'sakanoboru' to find the ancestral form.

この法律は、施行日に遡って適用されます。
(This law will be applied retroactively to the date of enforcement.)

In literature and storytelling, 'sakanoboru' is used to set the stage for a flashback. A novelist might write, 'Kioku wo sakanoboreba, soko ni wa...' (If I trace back my memories, there I find...). It provides a more poetic and intentional feel than simply saying 'Omoidaseba' (If I remember). It implies a journey through the mind to find a specific, distant point. This makes it a favorite in mystery novels where the protagonist must re-examine past events to solve a current puzzle.

彼の家系を遡ると、有名な武士に行き着く。
(Tracing back his lineage leads to a famous samurai.)

In business meetings, you might hear it during root-cause analysis. When a project fails, a manager might say, 'Mondai no hattan wo sakanobotte kangaete mimashō' (Let's think back to the start of the problem). Here, it signifies a logical audit of the process. It is also used when discussing budgets or schedules that need to be adjusted based on past data. For example, 'Zenshū no dēta ni sakanobotte shūsei suru' (To go back to last week's data and make corrections).

この川をずっと遡っていくと、美しい滝があります。
(If you keep going up this river, there is a beautiful waterfall.)

Finally, you will find it in travel guides or when hiking. When a guide says 'Keiryu wo sakanoboru' (to go up a mountain stream), they are describing a specific type of trekking called 'sawano-bori' (stream climbing), which is a popular summer activity in Japan. In this context, the word is literal and physical, involving climbing over rocks and through water toward the source. It captures the essence of the Japanese appreciation for the origins of water and the purity found at the 'head' of a stream.

物語を第一章まで遡って読み直した。
(I went back to the first chapter and re-read the story.)

While 遡る is a powerful word, English speakers often misuse it by treating it as a synonym for any 'going back' action. Because English uses 'go back' for many different situations, it’s easy to apply 'sakanoboru' where it doesn't fit. Here are the most common pitfalls and how to avoid them.

Mistake 1: Using it for physical returns: If you forget your wallet and 'go back' to your house, you cannot use 'sakanoboru.' Use 'modoru' (戻る). 'Sakanoboru' requires a 'flow' or a 'sequence' to retrace. Going back to a house isn't going 'upstream' against a flow of time or water.
Mistake 2: Confusing it with 'Kaeru': 'Kaeru' (帰る) specifically means to return to one's home or home base. 'Sakanoboru' is an investigation or a journey to a source, not a return to a place of belonging.
Mistake 3: Incorrect Particle Usage: Learners often use 'ni' when they should use 'wo' or 'made.' Remember: 'wo' for the path being traced (history, river) and 'made' for the time/point reached.

❌ 家に遡ります。
✅ 家に戻ります。
(I'm going back home.)

Another mistake involves the nuance of 'effort.' 'Sakanoboru' implies a deliberate, often difficult, look backward. If you just happen to remember something, use 'omoidasu' (思い出す). If you are actively digging through your past to find the root of a feeling, then 'sakanoboru' is appropriate. Using 'sakanoboru' for trivial memories can sound overly dramatic or strange.

❌ 昨日の晩ご飯に遡る。
✅ 昨日の晩ご飯を思い出す。
(Remembering yesterday's dinner doesn't require 'tracing back' unless it's part of a food poisoning investigation!)

Confusing 'sakanoboru' with 'kudaru' (go down) is also common. In Japanese, the future is sometimes viewed as 'downstream' and the past as 'upstream.' If you want to say something will happen 'later on' or 'going forward,' you might use 'kudaru' or 'saki' (ahead), but never 'sakanoboru.' 'Sakanoboru' is strictly for looking at what has already happened or what is physically higher up the water source.

❌ 未来へ遡る。
✅ 過去へ遡る。
(You trace back to the past, not the future.)

Finally, watch out for the transitive vs. intransitive confusion. While 'sakanoboru' is often used with 'wo' (making it look transitive), it describes the subject's own movement along that path. You cannot 'sakanoboru' an object like you would 'throw' a ball. You are the one doing the 'climbing' or 'tracing.' If you want to say you 'made' the date go back, you must use the causative form 'sakanoboraseru.'

To truly master 遡る, you should know its synonyms and how they differ in nuance. Japanese has several ways to express the idea of 'looking back' or 'returning,' and choosing the right one will make your Japanese sound much more natural and precise.

振り返る (Furikaeru): Literally 'to turn around and look.' Metaphorically, it means to reflect on the past. Nuance: It’s more emotional and reflective than 'sakanoboru.' You 'furikaeru' on your youth with nostalgia. 'Sakanoboru' is more about the logical or physical path.
戻る (Modoru): To return to a previous state or place. Nuance: Physical return. If you go back to page 1 of a book, you 'modoru.' If you trace the history of why that book was written, you 'sakanoboru.'
回顧する (Kaiko suru): To look back on (often used for a long period like a career). Nuance: Very formal and often used in titles of 'retrospective' exhibitions or memoirs.
追跡する (Tsuiseki suru): To track or follow. Nuance: Usually following something moving forward, but can be used for tracing origins. However, 'sakanoboru' is more specific to going 'up' to the source.

過去を振り返るのと、起源を遡るのは違う。
(Reflecting on the past is different from tracing back the origin.)

When comparing 遡る and 遡及する (sokyu suru), the latter is a technical legal term. While you can say 'sakanobotte tekiyo suru' (apply by tracing back), a lawyer would use 'sokyu tekiyo.' 'Sakanoboru' is the more versatile, everyday verb, while 'sokyu' is restricted to formal documents. Similarly, 'genryu ni mukau' (head toward the headwaters) is a physical alternative to 'sakanoboru' when talking about rivers, but it lacks the 'tracing back' intellectual nuance.

原因を突き止めるために、工程を遡る。
(In order to pin down the cause, we trace back the process steps.)

Another interesting comparison is with 逆行する (gyakkō suru), which means to go in reverse or to move backward against a trend. While 'sakanoboru' is often a positive or neutral act of investigation, 'gyakkō' can sometimes have a negative nuance, like 'going against the times' in a way that is seen as regressive. 'Sakanoboru' is a journey to find truth; 'gyakkō' is often just moving in the wrong direction.

時代を遡るような古い建物。
(An old building that feels like it takes you back in time.)

In summary, choose 'sakanoboru' when there is a clear 'starting point' or 'source' you are trying to reach by moving against a flow. Whether that flow is water, time, or logic, the verb emphasizes the process of tracing that path. For other types of 'going back,' stick to 'modoru,' 'kaeru,' or 'furikaeru' depending on the specific context and emotion you wish to convey.

How Formal Is It?

趣味小知识

The kanji '遡' contains the 'path' radical (辶) and 'saku' (朔), which means 'the first day of the lunar month' (new moon), symbolizing a return to the beginning of a cycle.

发音指南

UK sa.ka.no.bo.ɾɯ

US sa.ka.no.bo.ɾu

Sakanobóru (Pitch rises on 'ka' and peaks on 'bo' before dropping on 'ru').

押韵词

Noboru (To climb) Shinoboru (To climb up) Tadoru (To trace) Moguru (To dive) Okuru (To send) Tsukuru (To make) Mamoru (To protect) Inoru (To pray)

常见错误

Pronouncing 'ru' like English 'roo' (it should be a light tap).
Putting the stress on the first syllable.
Mixing up with 'sakanoboru' (intransitive) and 'sakanoboseru' (causative).

难度评级

阅读 4/5

The kanji 遡 is not among the most common, but it's essential for B2 level reading.

写作 5/5

Writing the kanji 遡 requires attention to the radical and the complex right side.

口语 3/5

The word is easy to pronounce but requires correct nuance to sound natural.

听力 3/5

Clearly distinguishable in speech due to its unique sound 'sakanoboru'.

接下来学什么

前置知识

登る (Noboru) 川 (Kawa) 歴史 (Rekishi) 過去 (Kako) 戻る (Modoru)

接下来学习

辿る (Tadoru) 起源 (Kigen) 由来 (Yurai) 遡及 (Sokyu) 源流 (Genryu)

高级

遡及的 (Sokyuteki) 回顧 (Kaiko) 変遷 (Hensen) 端緒 (Tansho)

需要掌握的语法

Godan Verb Conjugation

遡る -> 遡った (Past), 遡れば (Conditional)

Particle 'wo' for Path

歴史を遡る (Tracing history)

Particle 'made' for Limit

三年前まで遡る (Tracing back to three years ago)

Causative Form

話を遡らせる (To make the story go back)

Te-form for Manner

遡って調べる (Investigate by tracing back)

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按水平分级的例句

さかながかわをさかのぼります。

The fish goes up the river.

Basic subject + particle + verb structure.

ふねでかわをさかのぼる。

Go up the river by boat.

Using 'de' for means/method.

かわをさかのぼると、やまがあります。

If you go up the river, there is a mountain.

Conditional 'to' used for natural consequence.

さけはかわをさかのぼるのがじょうずです。

Salmon are good at swimming up rivers.

Nominalizing the verb with 'no'.

いっしょにかわをさかのぼりましょう。

Let's go up the river together.

Polite volitional form '-mashō'.

かわをさかのぼるのはたいへんです。

Going up the river is difficult.

Using 'wa' to describe the action as a subject.

このさかなはどこまでさかのぼりますか。

How far up will this fish go?

Using 'made' to ask about the limit/destination.

かわをさかのぼって、みずをのみました。

I went up the river and drank water.

Te-form used to connect two actions.

きのうのニュースにさかのぼってみましょう。

Let's go back to yesterday's news.

Using 'ni' to indicate the point in time.

せんしゅうのノートをさかのぼってよみます。

I will go back and read last week's notes.

Tracing back through a physical sequence of notes.

はなしをすこしさかのぼります。

I'll go back a little in the story.

Metaphorical use for a narrative.

このしゃしんは３ねんまえまでさかのぼります。

These photos go back as far as three years ago.

Using 'made' for a temporal limit.

きろくをさかのぼってしらべました。

I checked by tracing back the records.

Te-form used for method/manner.

１じかんさかのぼって、もういちどやりましょう。

Let's go back one hour and do it again.

Using a duration before the verb.

このみちはどこまでさかのぼれますか。

How far back can we trace this road?

Potential form 'sakanoboreru'.

めいじじだいにさかのぼるはなしです。

It is a story that goes back to the Meiji era.

Verb modifying a noun (hanashi).

この伝統は数百年前にさかのぼる。

This tradition traces back hundreds of years.

Standard usage for historical origins.

川の源流をさかのぼる旅に出た。

I set out on a journey to trace the headwaters of the river.

Literal physical usage for the source of a river.

事件の真相を知るために、一ヶ月前にさかのぼる。

To know the truth of the incident, we go back one month.

Using 'tame ni' to express purpose.

家系図をさかのぼって、先祖を調べた。

I traced back the family tree and researched my ancestors.

Standard usage for genealogy.

歴史をさかのぼれば、多くの教訓が得られる。

If we trace back history, we can learn many lessons.

Conditional form 'sakanoboreba'.

彼の記憶をさかのぼると、ある男の顔が浮かんだ。

Tracing back his memory, the face of a certain man appeared.

Using 'to' for a sequential discovery.

この言葉の語源は、古代中国までさかのぼる。

The etymology of this word traces back to ancient China.

Usage for linguistics and word origins.

計画をさかのぼって修正する必要がある。

We need to go back and revise the plan.

Business context for process correction.

この法律は昨年の四月にさかのぼって適用される。

This law is applied retroactively to last April.

Formal legal usage for retroactivity.

問題を根本から解決するために、原因をさかのぼる。

In order to solve the problem from the root, we trace back the causes.

Logical usage for root-cause analysis.

江戸時代までさかのぼる家柄であることを誇りに思う。

I am proud that my family lineage traces back to the Edo period.

Usage for social status and lineage.

話が複雑になったので、一旦最初までさかのぼりましょう。

The story has become complicated, so let's go back to the beginning for a moment.

Discourse management in a professional setting.

数千年前の地層までさかのぼって調査を行う。

We will conduct a survey by tracing back to geological layers from thousands of years ago.

Scientific usage for geology/archeology.

その噂の出所をさかのぼるのは容易ではない。

It is not easy to trace back the source of that rumor.

Usage for tracking information origins.

給料を三ヶ月分さかのぼって支払うことになった。

It was decided to pay the salary retroactively for three months.

Administrative usage for back-pay.

人類の進化をさかのぼると、興味深い事実が見えてくる。

Tracing back human evolution reveals interesting facts.

Usage for biological/anthropological tracing.

哲学の歴史をソクラテスまでさかのぼって考察する。

We will consider the history of philosophy by tracing it back to Socrates.

Academic usage for intellectual history.

本件の不祥事は、経営陣の過去の判断にまでさかのぼる。

The scandal in this case traces back to the past decisions of the management team.

Usage for systemic accountability.

一見無関係に見える事象も、根源をさかのぼれば繋がっている。

Even events that seem unrelated at first glance are connected if you trace back to their roots.

Philosophical usage for interconnectedness.

遡及処罰の禁止は、近代法の重要な原則の一つである。

The prohibition of retroactive punishment is one of the important principles of modern law.

Technical legal term 'sokyu' (noun form of sakanoboru).

文明の曙までさかのぼるような、壮大な物語だ。

It is an epic story that seems to trace back to the dawn of civilization.

Literary usage for grand scale.

統計データを十年前までさかのぼって再集計した。

We re-tabulated the statistical data by tracing back ten years.

Usage for rigorous data analysis.

彼の思想の源流をさかのぼると、幼少期の孤独に行き着く。

Tracing back the headwaters of his thought leads to the loneliness of his childhood.

Psychological usage for tracing personality traits.

言葉の変遷を平安時代までさかのぼって研究している。

I am researching the transition of language by tracing it back to the Heian period.

Usage for historical linguistics.

万物の源にさかのぼる思索は、言語の限界を超えていく。

Contemplation that traces back to the source of all things transcends the limits of language.

Abstract philosophical usage.

その条約の解釈を巡る議論は、起草時の議事録にまでさかのぼった。

The debate over the interpretation of the treaty went all the way back to the minutes of the drafting session.

High-level diplomatic/legal usage.

生命の連鎖を数十億年さかのぼれば、我々は皆一つの細胞に辿り着く。

If we trace the chain of life back billions of years, we all arrive at a single cell.

Scientific usage on a cosmic scale.

遡及的な利益の剥奪は、財産権の侵害に当たる可能性がある。

Retroactive deprivation of benefits may constitute an infringement of property rights.

Complex legal terminology.

物語の構造を神話の原型までさかのぼって分析する。

Analyze the structure of the story by tracing it back to mythological archetypes.

Usage in literary criticism/structuralism.

伝統の深淵をさかのぼるほどに、その真価が明らかになる。

The more one traces back the abyss of tradition, the more its true value becomes clear.

Metaphorical usage for deep cultural study.

個人のアイデンティティを形成する記憶を、原初の風景までさかのぼる。

Trace back the memories that form an individual's identity to the primal landscape.

Psychological/Existential usage.

経済恐慌の端緒を、数年前の些細な市場の歪みにまでさかのぼって特定した。

The beginning of the economic depression was identified by tracing back to a minor market distortion several years prior.

Usage in macro-economic analysis.

常见搭配

川を遡る

歴史を遡る

記憶を遡る

源流を遡る

起源を遡る

家系を遡る

原因を遡る

遡って適用する

話を遡る

時代を遡る

常用短语

遡ればきりがない

— If you trace it back, there's no end to it. Used when origins are too deep to find.

その噂の出所を遡ればきりがない。

遡って考える

— To think back from the current result to the starting point.

失敗の原因を遡って考える。

源流まで遡る

— To go all the way back to the headwaters or the absolute beginning.

この文化の源流まで遡る。

過去に遡る

— To go back into the past.

タイムマシンで過去に遡る。

家系を遡る

— To trace back one's ancestry.

自分の家系を江戸時代まで遡る。

一歩遡る

— To take one step back in a process or sequence.

工程を一つ遡って確認する。

記憶を遡る旅

— A journey through one's memories.

それは、彼にとって記憶を遡る旅だった。

遡って計算する

— To calculate backwards from a current total or date.

先月分まで遡って計算する。

証拠を遡る

— To trace back the evidence.

証拠を遡って犯人を特定する。

流れを遡る

— To move against the flow (physical or metaphorical).

時代の流れを遡る勇気。

容易混淆的词

遡る vs 戻る (Modoru)

Modoru is a simple physical return to a place. Sakanoboru is tracing back a path or sequence.

遡る vs 振り返る (Furikaeru)

Furikaeru is emotional reflection. Sakanoboru is logical or physical tracing.

遡る vs 下る (Kudaru)

Kudaru is going downstream or moving forward from the past. Sakanoboru is the opposite.

习语与表达

"流れを遡る"

— To resist the current trends or opinions; to go against the grain.

彼は常に時代の流れを遡るような生き方をしている。

Literary

"根源を遡る"

— To seek the ultimate truth or origin of something.

真理を求めて、万物の根源を遡る。

Philosophical

"源を遡る"

— To trace back to the fountainhead or source.

知恵の源を遡る。

Poetic

"血筋を遡る"

— To trace one's bloodline.

高貴な血筋を遡る。

Formal

"歴史の闇を遡る"

— To trace back through the dark or forgotten parts of history.

歴史の闇を遡って、失われた文明を探す。

Literary

"記憶の糸を遡る"

— To follow the thread of memory back to a specific point.

記憶の糸を遡り、あの日の出来事を思い出す。

Poetic

"川上へ遡る"

— To head toward the source (literally upstream).

川上へ遡るほど、水は清らかになる。

Neutral

"時を遡る"

— To go back in time (often used in sci-fi or fantasy).

時を遡る魔法を使って、過去を変える。

Informal/Creative

"因果を遡る"

— To trace the chain of cause and effect.

不幸の因果を遡る。

Formal/Philosophical

"古を遡る"

— To go back to ancient times.

古を遡って、先人の知恵を学ぶ。

Archaic/Formal

容易混淆

遡る vs 帰る

Both mean 'go back' in English.

Kaeru is specifically returning to one's home or base. Sakanoboru is going upstream or tracing origins.

家に帰る (Go home) vs 歴史を遡る (Trace history).

遡る vs 思い出す

Both involve the past.

Omoidasu is just remembering. Sakanoboru is a deliberate act of tracing memories back to a source.

名前を思い出す (Remember a name) vs 記憶を遡る (Trace back memories).

遡る vs 辿る

Both mean 'to follow' a path.

Tadoru can mean following a path forward or backward. Sakanoboru is strictly 'backward' or 'upstream.'

運命を辿る (Follow one's fate) vs 起源を遡る (Trace the origin).

遡る vs 逆行

Both mean 'reverse movement.'

Gyakkō is often negative (going against progress). Sakanoboru is neutral/positive (investigating origins).

時代に逆行する (Go against the times) vs 時代を遡る (Trace back through the times).

遡る vs 遡及

They share the same kanji.

Sakanoboru is a verb for general tracing. Sokyu is a formal noun/suru-verb for legal/technical retroactivity.

歴史を遡る (General) vs 遡及適用 (Legal technical term).

句型

[Object] を遡る

川を遡る。

[Time] まで遡る

江戸時代まで遡る。

[Time] に遡って [Action]

昨日に遡って修正する。

[Object] を遡れば、[Result]

起源を遡れば、真実がわかる。

[Object] を遡ること [Duration]、...

歴史を遡ること三百年、この町は生まれた。

遡及的に [Action]

遡及的に適用される。

[Object] の源流を遡る

思想の源流を遡る。

[Object] を [Point] まで遡らせる

記憶を原初の風景まで遡らせる。

词族

名词

遡及 (Sokyu - Retroactivity)

遡行 (Soko - Going upstream)

动词

遡る (Sakanoboru - To go upstream)

遡及する (Sokyu suru - To apply retroactively)

形容词

遡及的 (Sokyuteki - Retroactive)

如何使用

frequency

Common in academic, historical, and nature-related content.

常见错误

Using 'sakanoboru' for returning home. → Kaeru (帰る)
Sakanoboru implies tracing a flow to its source, not returning to your base.
Using 'sakanoboru' for remembering a name. → Omoidasu (思い出す)
Sakanoboru is for a systematic tracing of memories, not a sudden recall.
Using the particle 'ni' for the path (history). → Rekishi 'wo' sakanoboru
The path or sequence being traced takes 'wo.' The point in time reached takes 'made' or 'ni.'
Using 'sakanoboru' for future events. → Kudaru (下る) or Susumu (進む)
Sakanoboru only goes toward the past or the source (upstream).
Treating it as a transitive verb for objects. → Use causative 'sakanoboraseru'.
You can't 'sakanoboru' a thing like you move a chair; you trace back along a sequence.

小贴士

Tracing History

When talking about how long a shop has been open, use 'sakanoboru' to sound impressive. 'Kono mise wa 100-nen mae made sakanoboru' sounds like you've done your research!

Te-form Utility

The te-form 'sakanobotte' is extremely useful as an adverb. Use it before verbs like 'shiraberu' (investigate) or 'kangaeru' (think) to mean 'by tracing back.'

Logical Flow

Use 'sakanoboru' when there is a clear cause-and-effect chain. It shows you are looking for the 'root' (ne) or 'source' (minamoto).

Salmon Memory

Associate 'sakanoboru' with the 'S' in Salmon and 'Saka' (Slope). Salmon climb the water-slope!

Legal Context

If you ever deal with Japanese contracts, look for 'sokyu' (遡及). It tells you if a clause applies to the past.

Storytelling

Use 'Hanashi wo sakanoboru to...' to pause and give necessary background. It's a great conversational filler for B2 learners.

Kanji Practice

Practice the 'shin-nyū' (path) radical. It always indicates movement. The right side 'saku' means 'new moon,' which starts a new cycle—going back to the start!

News keywords

In news, 'sakanobotte' often precedes 'shiharau' (pay) or 'tekiyō' (apply). It's a key word for administrative news.

Hiking

If you go hiking in Japan, 'sakanoboru' is the verb for following a stream up to find a waterfall.

Lineage

When discussing Japanese history, 'sakanoboru' is a respectful way to talk about the long duration of the Imperial line or old families.

记住它

记忆技巧

Think of a 'Saka' (Slope) that you 'Noboru' (Climb). Now imagine that slope is a river or a timeline. You are climbing back to the start!

视觉联想

Visualize a salmon jumping up a waterfall. That salmon is 'sakanoboru.' Now imagine the waterfall is a timeline of history.

Word Web

River History Salmon Source Origin Retroactive Time Travel Causality

挑战

Try to write three sentences: one about a fish, one about a history book, and one about a memory, all using 'sakanoboru'.

词源

Derived from the Old Japanese word 'sakanoboru.' It is a compound of 'saka' (reverse/contrary/slope) and 'noboru' (to climb).

原始含义： To climb a slope in the opposite direction or to climb against the flow of water.

Japonic

文化背景

No specific sensitivities, but use it with respect when discussing someone's family history or lineage.

English speakers often say 'trace back' or 'date back to,' which are the closest equivalents to 'sakanoboru.'

The biology of Japanese salmon (Sake no sakanobori). Historical dramas (Taiga drama) often use this word in narrations. Legal debates regarding 'Sokyu-hyo' (Retroactive effect) in the Japanese Constitution.

在生活中练习

真实语境

History Class

歴史を遡る
江戸時代まで遡る
起源を遡る
年表を遡る

Nature Documentary

川を遡る
源流を遡る
鮭の遡上
流れを遡る

Law Office

遡って適用する
遡及効果
支払い日に遡る
契約を遡る

Detective Investigation

足跡を遡る
事件を遡る
アリバイを遡る
原因を遡る

Personal Conversation

話を遡る
記憶を遡る
昔に遡る
最初の頃に遡る

对话开场白

"あなたの家族の歴史を遡ると、どこに行き着きますか？"

"日本語の勉強を始めたきっかけを遡って教えてください。"

"一番古い記憶を遡ると、何歳くらいの時のことですか？"

"この伝統の起源を遡ると、どんな面白い話がありますか？"

"もし時間を遡ることができるなら、どの時代に行きたいですか？"

日记主题

今日一日の出来事を、寝る前から朝起きた時まで遡って書いてみましょう。

自分が今持っている一番古い持ち物の歴史を遡って説明してください。

自分の将来の夢のルーツを、子供時代まで遡って分析してみましょう。

最近起きた失敗の原因を、一つ一つのステップを遡って考察してください。

あなたの好きな言葉の語源を遡って調べ、感じたことを書いてください。

常见问题

10 个问题

No, you should use 'modoru' or 'kaeru.' 'Sakanoboru' is only for going 'upstream' against a flow like a river or time. Tracing back your steps to find a lost key is a rare exception where it might work, but 'modoru' is still more common.

It is technically intransitive, but it often takes the particle 'wo' to indicate the path being traveled (like 'kawa wo sakanoboru'). This makes it look transitive, but it describes the subject's own movement along that path.

You can use the phrase 'sakanobotte' (遡って) followed by a verb like 'tekiyō suru' (apply). In very formal or legal settings, use the term 'sokyu' (遡及).

The most direct opposite is 'kudaru' (下る), which means to go downstream or to move forward in time from a past point.

No, for tracing a drawing, use 'nazoru' (なぞる). 'Sakanoboru' is for tracing back to a source or origin.

It is a Jōyō kanji (daily use), but it's considered intermediate to advanced (JLPT N2/N1 level). You will see it often in newspapers and history books.

While 'maki-modosu' is the standard word for rewinding, you could say 'sakanobotte miru' if you are looking back at the video to find the source of an event.

Use 'made' (まで) to say 'back to [time]' or 'ni' (に) to say 'back at [time].' For example, 'Edo-jidai made sakanoboru.'

Yes, any fish swimming against the current is 'sakanoboru,' but salmon are the most culturally iconic example in Japan.

They are the same word. The kanji version is more formal and common in writing, while the hiragana version is often used in children's books or casual texts.

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