At the A1 level, you should learn '井戸' (いど) as a basic noun meaning 'a well'. You might see it in simple picture books or when visiting traditional Japanese gardens. Focus on identifying the word and knowing it relates to water in the ground. You don't need to know complex idioms yet. Just remember: 'Ido' = 'Well'. It is a place where people used to get water before taps existed. In simple sentences, it often appears with 'aru' (to exist) or 'mizu' (water). The kanji 井 is very easy to remember because it looks like a hashtag or a wooden frame.
At the A2 level, you can start using '井戸' in basic sentences with particles. For example, 'Ido ni mizu ga arimasu' (There is water in the well). You should also learn the verb 'horu' (to dig), as in 'Ido o horimasu' (I dig a well). You might encounter this word when talking about history or rural life in Japan. You should also be able to understand simple descriptions of where a well is located, such as 'Ki no shita ni ido ga arimasu' (There is a well under the tree). At this stage, you are building the foundation to describe the physical presence of a well.
At the B1 level, you should be familiar with the social and cultural aspects of '井戸'. This includes the common phrase 'Idobata-kaigi' (well-side meeting), which means gossiping or chatting. You should be able to use the word in more complex sentences, such as describing a drought: 'Ame ga furanakatta node, ido ga karete shimatta' (Because it didn't rain, the well dried up). You should also understand the use of 'ido' in folklore and stories. You are now moving beyond the literal meaning into the cultural significance of wells in Japanese society.
At the B2 level, you should understand the metaphorical uses of '井戸'. The most famous is the proverb 'I no naka no kawazu taikai o shirazu' (A frog in a well does not know the great ocean), which describes someone with a narrow perspective. You should be able to use 'ido' in discussions about disaster management (disaster-prevention wells) and environmental issues (groundwater contamination). Your vocabulary should also include compound words like 'idomizu' (well water) and 'idowaku' (well curb). You can now discuss the role of wells in both modern infrastructure and classical literature.
At the C1 level, you should be able to appreciate the deep symbolic meaning of '井戸' in Japanese literature, particularly in the works of Haruki Murakami or in traditional Noh and Kabuki plays. You should understand the nuance of using 'ido' as a psychological metaphor for the subconscious. You should also be comfortable with technical terms related to wells, such as 'kussakusei' (drilled well) or 'jisui-ido' (artesian well). At this level, you can analyze the linguistic evolution of the word and its role in defining traditional Japanese community structures (the 'idobata' culture).
At the C2 level, you should have a comprehensive mastery of '井戸', including its archaic forms and obscure historical references. You can discuss the legalities of water rights related to 'chikasui' (groundwater) and 'ido'. You should be familiar with regional dialects or historical variations in well construction and naming. You can use 'ido' fluently in highly academic or literary contexts, perhaps debating the existential symbolism of the well in post-war Japanese cinema or literature. You understand the most subtle connotations, including the spiritual rituals (oharai) performed when a well is decommissioned.

井戸 in 30 Seconds

  • 井戸 (Ido) is the Japanese word for a water well, a man-made shaft to reach groundwater.
  • It is culturally significant as a gathering spot, leading to the term 'Idobata-kaigi' for gossip.
  • The most common verbs used with it are 'horu' (to dig) and 'kumu' (to draw water).
  • It appears frequently in metaphors, such as the 'frog in the well' proverb regarding limited perspectives.
The Japanese word 井戸 (いど - ido) primarily refers to a well, specifically a deep excavation or structure created in the ground to access liquid resources, most commonly groundwater. In a historical and cultural context, the 井戸 was the lifeblood of Japanese communal living. Before the advent of modern pressurized water systems, the local well was the central gathering point for every village and neighborhood. This physical necessity birthed various social behaviors and linguistic metaphors that persist in modern Japanese today.
Physical Object
A hole dug into the earth to reach an aquifer. In Japan, these were historically lined with wood (well-cribs) or stone to prevent collapse.
Social Hub
The 'Idobata' (well-side) was where people, primarily women in historical eras, would gather to wash clothes and exchange news, leading to the term 'Idobata-kaigi' for gossip or casual meetings.

この古い村には、今でも使われている井戸がいくつか残っています。(In this old village, several wells that are still in use remain.)

災害に備えて、自治体は井戸の点検を行いました。(In preparation for disasters, the local government conducted inspections of the wells.)

Metaphorical Depth
The well represents a narrow but deep perspective. This is famously captured in the proverb about the frog in the well who knows nothing of the great ocean.

彼はまるで井戸の底から空を見上げているような、狭い考え方をしている。(He has a narrow way of thinking, as if he were looking up at the sky from the bottom of a well.)

その井戸の水はとても冷たくて、夏には最高のご馳走だった。(The water from that well was so cold, it was the best treat in the summer.)

お化け屋敷の庭には、不気味な井戸が置かれていた。(In the garden of the haunted house, an eerie well was placed.)

The word is also frequently encountered in literature and folklore. From the ghost of Okiku in 'Bancho Sarayashiki' to the surreal wells in Haruki Murakami’s novels, the 井戸 serves as a portal between worlds, a place of mystery, or a site of psychological introspection. Understanding 井戸 requires recognizing it not just as a source of water, but as a cultural anchor point for community, isolation, and the unknown depths of the human mind.
Using 井戸 (いど) correctly in Japanese involves understanding the specific verbs that pair with it. Since a well is something you dig, maintain, and draw from, the collocations are quite specific. The most fundamental verb is 掘る (horu - to dig). When you talk about creating a well, you say '井戸を掘る'. If you are talking about the water itself, you use 汲む (kumu - to draw/scoop). Drawing water from a well is '井戸水を汲む'.
Action: Digging
井戸を掘る (Ido o horu). This can be literal or metaphorical (searching deeply for something).

砂漠で生き残るために、彼らは必死で井戸を掘った。(To survive in the desert, they desperately dug a well.)

Action: Drawing Water
井戸から水を汲む (Ido kara mizu o kumu). This uses the specific verb for scooping liquid.

毎朝、おばあさんは井戸から冷たい水を汲んできます。(Every morning, the grandmother draws cold water from the well.)

State: Drying Up
井戸が枯れる (Ido ga kareru). 'Kareru' is usually for plants, but for wells, it means the water source has dried up.

長い日照りが続いて、ついに村の井戸が枯れてしまった。(The long drought continued, and finally, the village well dried up.)

その井戸は深すぎて、底が見えません。(That well is too deep to see the bottom.)

子供たちが井戸の周りで遊んでいるので、注意してください。(Please be careful as children are playing around the well.)

In more advanced contexts, 井戸 is used in compound words like 井戸端 (idobata - well-side) or 井戸枠 (idowaku - well curb). In technical or geological discussions, you might hear 掘削井 (kussakusei - drilled well) or 観測井 (kansokusei - observation well). When describing the quality of the water, 井戸水 (idomizu) is the standard term. It is often praised for being 'tsumetai' (cold) or 'oishii' (delicious), though in modern urban areas, it is often accompanied by warnings like 'nomemasen' (not drinkable) due to contamination risks. Using the word effectively means balancing its rustic, nostalgic charm with the practical realities of water access.
You will encounter the word 井戸 (いど) in a variety of real-world and media contexts. In modern daily life in cities like Tokyo or Osaka, you won't hear it in the context of getting drinking water, but you will hear it in the news during natural disasters. Japan is an earthquake-prone country, and '災害時協力井戸' (disaster-cooperation wells) are a common topic of local government announcements. These are private wells that owners agree to open to the public if the main water supply fails.
In Anime and Manga
Wells are frequently used as plot devices. In 'Inuyasha', the 'Bone-Eater's Well' (Honekui no Ido) is the portal between the modern era and the Sengoku period. In horror genres like 'The Ring' (Ringu), the well is the iconic and terrifying source of the curse.

アニメの主人公は、魔法の井戸を通って別の世界へ行った。(The anime protagonist went to another world through a magical well.)

In Literature
Haruki Murakami often uses wells as symbols of the subconscious. Characters may climb down into a dry well to meditate or hide, representing a journey into the self.

村の古老は、その井戸には守り神が住んでいると言った。(The village elder said that a guardian deity lives in that well.)

Historical Dramas (Jidaigeki)
In dramas set in the Edo period, the 'common well' (kyodo-ido) in tenement houses (nagaya) is a central setting for character interaction and conflict resolution.

江戸時代の長屋では、井戸が生活の中心でした。(In the tenement houses of the Edo period, the well was the center of daily life.)

この地域の井戸水は鉄分が多いことで知られている。(The well water in this region is known for being high in iron.)

昔の人は井戸を掘る場所を占いで決めることもあった。(People in the past sometimes decided where to dig a well using divination.)

Whether it's a documentary on rural revitalization, a scary story told around a campfire, or a historical tour of Kyoto, 井戸 is a word that bridges the gap between the mundane necessity of water and the spiritual/social heritage of Japan. You'll hear it used with a sense of reverence in some contexts and with a sense of eerie foreboding in others, making it a highly versatile noun in the Japanese lexicon.
When learning 井戸 (いど), English speakers often make mistakes related to word choice and metaphorical nuances. One common error is confusing 井戸 with other water-related terms like 池 (ike - pond) or 泉 (izumi - spring). While an 泉 is a natural spring where water flows out on its own, a 井戸 is a man-made structure. Using 井戸 to describe a natural bubbling spring is technically incorrect.
Mistake: Confusion with 穴 (ana)
Sometimes learners use 'ana' (hole) when they mean 'ido'. While a well is a hole, 'ido' implies the specific purpose of water collection. Saying 'mizu no ana' is unnatural; always use 'ido'.

❌ 水の穴から水を汲む (Drawing water from a water hole) -> ⭕ 井戸から水を汲む。

Mistake: Particle Errors
When saying 'the well has water', learners often use 'ni' incorrectly. Use 'ido ni wa mizu ga aru' or 'ido no naka ni wa...'.

井戸を水がある (The well water exists - grammatically broken) -> ⭕ 井戸に水がある。

❌ 彼は井戸の中に住んでいる (He lives inside the well - unless he's a ghost) -> ⭕ 彼は井戸の近くに住んでいる。

井戸を飲む (Drink the well) -> ⭕ 井戸水を飲む (Drink well water).

Another nuance is the verb 枯れる (kareru). While 'dry up' works for both plants and wells in English, in Japanese, you wouldn't use 乾く (kawaku - to dry, like clothes) for a well. 乾く implies a surface drying, while 枯れる implies the source of life or flow has ceased. Finally, be careful with the kanji. 井 (i) is simple, but 井戸 is often confused with 丼 (donburi - bowl). The small dot in 丼 makes a huge difference—you don't want to dig a 'beef bowl' (gyudon) when you mean to dig a well! Always double-check that extra stroke in the middle of the 'i' frame.
To enrich your vocabulary beyond 井戸 (いど), it is helpful to look at related terms for water sources and excavations. While 井戸 is the general term for a well, specific contexts might require different words.
泉 (いずみ - Izumi)
Meaning 'spring' or 'fountain'. Unlike a well, an 'izumi' is a natural occurrence. It often has a more poetic or pure connotation.
湧き水 (わきみず - Wakimizu)
Meaning 'spring water'. This is the water that gushes out of the ground. It is used more commonly than 'izumi' in everyday speech regarding drinking water.

この山には、美味しい湧き水が出る場所があります。(In this mountain, there is a place where delicious spring water comes out.)

水道 (すいどう - Suido)
Meaning 'waterworks' or 'tap water'. This is the modern antonym to well water in a functional sense.

水道が普及する前は、みんな井戸を使っていました。(Before tap water became widespread, everyone used wells.)

地下水 (ちかすい - Chikasui)
Meaning 'groundwater'. This is the technical term for the water that a well accesses. You'll hear this in environmental or scientific contexts.

工場の排水が地下水を汚染している可能性がある。(There is a possibility that factory drainage is contaminating the groundwater.)

その井戸は、実はただの飾りで、水は出ません。(That well is actually just a decoration and doesn't produce water.)

古い井戸を埋める時は、お祓いをする習慣があります。(There is a custom to perform a purification ritual when filling in an old well.)

In literary contexts, you might see 'seisen' (pure well/spring) or 'kosen' (old well). For digging, you might see 'sakusei' (well-drilling) in business contracts. Understanding these nuances helps you choose the right word for the right level of formality and the specific nature of the water source you are describing. While 'ido' is the king of this category, its subjects like 'wakimizu' and 'chikasui' provide the necessary detail for sophisticated Japanese communication.

How Formal Is It?

Fun Fact

The kanji '井' is used in many Japanese surnames (like Inoue, Ishii) because having a well on one's land was a sign of wealth and stability in ancient times.

Pronunciation Guide

UK ɪ.dɒ
US i.doʊ
Flat pitch (Heiban). Both syllables are pronounced with relatively equal stress and pitch, though usually starting low and rising slightly.
Rhymes With
Kido (Gate) Sido (Guidance) Hido (Cruelty) Mado (Window) Kado (Corner) Shido (Starting) Nido (Two times) Rido (Lead)
Common Errors
  • Pronouncing 'i' as 'ai' (like 'eye-do').
  • Confusing the pitch with 'it' (meaning stomach), which starts high.
  • Stressing the second syllable too heavily.
  • Pronouncing 'do' like 'do' in English (as in 'do your homework').
  • Mixing up 'ido' (well) with 'ido' (movement/migration - written with different kanji).

Difficulty Rating

Reading 2/5

The kanji are simple and pictographic, making them easy to recognize.

Writing 2/5

Both kanji have few strokes and are logical in structure.

Speaking 1/5

Two simple syllables, no difficult sounds for English speakers.

Listening 2/5

Easy to hear, but must be distinguished from 'ido' (movement).

What to Learn Next

Prerequisites

水 (Water) 穴 (Hole) 地面 (Ground) 掘る (To dig) 戸 (Door)

Learn Next

地下水 (Groundwater) 諺 (Proverb) 汲む (To draw water) 枯れる (To dry up) 災害 (Disaster)

Advanced

水利権 (Water rights) 地質学 (Geology) 深井戸 (Deep well) 浅井戸 (Shallow well)

Grammar to Know

Noun + No + Noun

井戸の水 (Well water)

Verb (Dictionary form) + Tame ni

井戸を掘るために (In order to dig a well)

Ga + Aru (Existence of inanimate objects)

井戸がある (There is a well)

Kara (Source of movement/action)

井戸から水を汲む (Draw water from the well)

Te Shimau (Regret or completion)

井戸が枯れてしまった (The well has dried up completely)

Examples by Level

1

これは古(ふる)い井戸(いど)です。

This is an old well.

Basic 'A wa B desu' structure.

2

井戸(いど)に水(みず)がありますか。

Is there water in the well?

Question using 'ga arimasu ka'.

3

井戸(いど)は深(ふか)いです。

The well is deep.

Adjective 'fukai' modifying 'ido'.

4

私(わたし)の家(いえ)に井戸(いど)があります。

There is a well at my house.

Showing possession/existence with 'ni arimasu'.

5

井戸(いど)の水(みず)は冷(つめ)たいです。

The well water is cold.

Noun + no + Noun structure.

6

あそこに井戸(いど)が見(み)えます。

I can see a well over there.

Potential/visible state with 'ga miemasu'.

7

井戸(いど)は石(いし)で作(つく)られています。

The well is made of stone.

Passive form 'tsukurarete imasu'.

8

井戸(いど)のそばに花(はな)があります。

There are flowers by the well.

Locational 'soba ni' (beside).

1

昔(むかし)の人(ひと)は井戸(いど)を使(つか)っていました。

People in the past used wells.

Past continuous 'tsukatte imashita'.

2

井戸(いど)を掘(ほ)るのは大変(たいへん)です。

Digging a well is difficult.

Gerund 'horu no' acting as a subject.

3

井戸(いど)から水(みず)を汲(く)みました。

I drew water from the well.

Past tense verb 'kumimashita'.

4

この井戸(いど)はもう使(つか)えません。

This well can no longer be used.

Potential negative 'tsukaemasen'.

5

井戸(いど)の周(まわ)りで遊(あそ)ばないでください。

Please don't play around the well.

Negative request 'naide kudasai'.

6

おじいさんは井戸(いど)を掃除(そうじ)しました。

Grandfather cleaned the well.

Direct object with 'o' + 'souji shimashita'.

7

井戸(いど)にバケツを落(お)としてしまいました。

I accidentally dropped a bucket into the well.

Regret/completion marker 'te shimaimashita'.

8

新(あたら)しい井戸(いど)を作(つく)りましょう。

Let's make a new well.

Volitional form 'mashou'.

1

雨(あめ)が少(すく)なかったので、井戸(いど)が枯(か)れました。

Because there was little rain, the well dried up.

Causal 'node' connecting two clauses.

2

井戸(いど)端(ばた)会議(かいぎ)は楽(たの)しいですが、時間(じかん)がかかります。

Well-side gossip is fun, but it takes time.

Contrastive 'ga' (but).

3

この井戸(いど)の水(みず)は飲(の)まないほうがいいです。

It is better not to drink the water from this well.

Advice 'nai hou ga ii'.

4

地震(じしん)の時(とき)、井戸(いど)はとても役(やく)に立(た)ちます。

During an earthquake, wells are very useful.

Expression 'yaku ni tatsu' (to be useful).

5

井戸(いど)の中(なか)は、夏(なつ)でも涼(すず)しいです。

Inside the well, it's cool even in summer.

Emphasis particle 'demo' (even).

6

彼(かれ)は井戸(いど)を掘(ほ)るための機械(きかい)を買(か)いました。

He bought a machine for digging wells.

Purpose 'tame no' modifying a noun.

7

その井戸(いど)は、村(むら)の共有(きょうゆう)財産(ざいさん)です。

That well is the shared property of the village.

Compound noun 'kyouyuu zaisan'.

8

井戸(いど)の深(ふか)さを測(はか)ってみましょう。

Let's try measuring the depth of the well.

Trial 'te mimashou' (try and see).

1

井(い)の中(なか)の蛙(かわず)大海(たいかい)を知(し)らずという諺(ことわざ)があります。

There is a proverb that says, 'A frog in a well knows nothing of the great ocean.'

Quotation 'to iu' followed by a noun.

2

地下水(ちかすい)の汚染(おせん)が井戸(いど)に影響(えいきょう)を与(あた)えています。

Groundwater contamination is affecting the wells.

Expression 'eikyou o ataeru' (to exert influence).

3

この地域(ちいき)では、災害(さいがい)時(じ)に備(そな)えて井戸(いど)を維持(いじ)しています。

In this area, wells are maintained in preparation for disasters.

Preparation 'ni sonaete'.

4

井戸(いど)を埋(う)める前(まえ)に、神主(かんぬし)にお祓(はら)いを頼(たの)みました。

Before filling in the well, we asked a priest for a purification ritual.

Time sequence 'mae ni'.

5

技術(ぎじゅつ)の進歩(しんぽ)により、より深(ふか)い井戸(いど)を掘(ほ)ることが可能(かのう)になりました。

Due to technological progress, it has become possible to dig deeper wells.

Cause/reason 'ni yori'.

6

井戸(いど)の水質(すいしつ)検査(けんさ)を定期的(ていきてき)に行(おこな)う必要(ひつよう)があります。

It is necessary to conduct water quality tests on the well regularly.

Necessity 'hitsuyou ga aru'.

7

彼(かれ)の小説(しょうせつ)には、象徴(しょうちょう)的(てき)な井戸(いど)がよく登場(とうじょう)します。

Symbolic wells often appear in his novels.

Adverbial 'yoku' (frequently).

8

井戸(いど)ポンプが故障(こしょう)したので、修理(しゅうり)を依頼(いらい)しました。

The well pump broke, so I requested a repair.

Sequential 'node' (because).

1

井戸(いど)の底(そこ)に潜(ひそ)む闇(やみ)は、人間(にんげん)の無意識(むいしき)を映(うつ)し出(だ)しているかのようだ。

The darkness lurking at the bottom of the well seems to reflect the human unconscious.

Simile 'ka no you da'.

2

近代(きんだい)化(か)の過程(かてい)で、多(おお)くの井戸(いど)がその役目(やくめ)を終(お)え、姿(すがた)を消(け)した。

In the process of modernization, many wells finished their roles and disappeared.

Compound verb 'sugata o kesu' (to disappear).

3

井戸(いど)端(ばた)のコミュニティが失(うしな)われたことで、近所(きんじょ)付(づ)き合(あ)いが希薄(きはく)になった。

The loss of the well-side community has made neighborhood relationships thinner.

Causal 'koto de'.

4

自噴(じふん)井(い)とは、地下(ちか)の圧力(あつりょく)によって水(みず)が自然(しぜん)に湧(わ)き出(で)る井戸(いど)のことである。

An artesian well is a well where water gushes out naturally due to underground pressure.

Definition 'no koto de aru'.

5

その古(ふる)い井戸(いど)には、悲(かな)しい伝説(でんせつ)が語(かた)り継(つ)がれている。

A sad legend has been passed down about that old well.

Passive continuous 'katari tsugarete iru'.

6

井戸(いど)掘(ぼ)り職人(しょくにん)の技(わざ)は、今(いま)や絶滅(ぜつめつ)の危機(きき)に瀕(ひん)している。

The skills of well-digging craftsmen are now on the verge of extinction.

Expression 'kiki ni hinsuru' (to be on the verge of).

7

都市(とし)開発(かいはつ)において、既存(きぞん)の井戸(いど)をどう処理(しょり)するかが問題(もんだい)となった。

In urban development, how to handle existing wells became an issue.

Interrogative + 'ka' as a noun clause.

8

井戸(いど)の枠(わく)に彫(ほ)られた文字(もじ)は、江戸(えど)時代(じだい)の寄進(きしん)者(しゃ)の名(な)であった。

The characters carved on the well curb were the names of Edo-period donors.

Relative clause modifying 'moji'.

1

井戸(いど)の管理(かんり)権(けん)を巡(めぐ)る紛争(ふんそう)は、中世(ちゅうせい)の村落(そんらく)社会(しゃかい)において死活(しかつ)問題(もんだい)であった。

Disputes over well management rights were a matter of life and death in medieval village society.

Expression 'meguru' (concerning/surrounding).

2

水脈(すいみゃく)を当(あ)てるための勘(かん)は、長年(ながねん)の経験(けいけん)に裏打(うらうち)されたものである。

The intuition for hitting a water vein is something backed by many years of experience.

Passive 'urauchi sareta'.

3

掘削(くっさく)技術(ぎじゅつ)の粋(すい)を集(あつ)めたその井戸(いど)は、砂漠(さばく)の民(たみ)に希望(きぼう)を与(あた)えた。

The well, which gathered the best of drilling technology, gave hope to the desert people.

Expression 'sui o atsumeta' (gathered the best of).

4

井戸(いど)神(がみ)に対(たい)する信仰(しんこう)は、日本(にっぽん)各地(かくち)に多種(たしゅ)多様(たよう)な形(かたち)で残(のこ)っている。

Belief in well deities remains in various forms throughout Japan.

Expression 'ni taisuru' (toward).

5

地質(ちしつ)学(がく)的(てき)見地(けんち)からすれば、この場所(ばしょ)に井戸(いど)を掘(ほ)るのは極(きわ)めて無謀(むぼう)である。

From a geological standpoint, digging a well in this location is extremely reckless.

Conditional 'kara sureba' (from the standpoint of).

6

井戸(いど)の底(そこ)に堆積(たいせき)した泥(どろ)の中(なか)から、古代(こだい)の土器(どき)が発見(はっけん)された。

Ancient pottery was discovered from the mud accumulated at the bottom of the well.

Passive 'hakken sareta'.

7

その井戸(いど)は、かつての大(だい)名(みょう)屋敷(やしき)の遺構(いこう)の一部(いちぶ)として保存(ほぞん)されている。

The well is preserved as part of the remains of a former daimyo mansion.

Particle 'to shite' (as).

8

井戸(いど)の汲(く)み上(あ)げ量(りょう)を制限(せいげん)しなければ、地盤(じばん)沈下(ちんか)を招(まね)く恐(おそ)れがある。

If the amount of water pumped from the well is not limited, there is a risk of causing land subsidence.

Expression 'osore ga aru' (there is a fear/risk of).

Common Collocations

井戸を掘る
井戸から水を汲む
井戸が枯れる
井戸水を飲む
井戸を埋める
井戸端会議
井戸の底
井戸の枠
井戸の蓋
井戸の神様

Common Phrases

井戸を掘る

— To dig a well. Literally creating a well, or metaphorically searching for a source.

彼は庭に井戸を掘った。

井戸から水を汲む

— To draw water from a well. The standard way to describe getting water.

毎日井戸から水を汲むのは重労働だ。

井戸が枯れる

— The well dries up. Used when the water source is exhausted.

村の井戸が枯れて困っている。

井戸水を引く

— To pipe in well water. Using a pump to bring well water into a house.

この家は井戸水を引いている。

井戸の底を見る

— To look at the bottom of the well. Often used in scary stories or to describe depth.

怖くて井戸の底を見ることができない。

井戸端の噂

— Gossip at the well-side. Casual rumors shared among neighbors.

それはただの井戸端の噂に過ぎない。

井戸をさらう

— To clean out a well. Removing mud and debris from the bottom.

一年に一度、井戸をさらう必要がある。

井戸枠を直す

— To fix the well curb. Repairing the structural top of the well.

壊れた井戸枠を直した。

井戸の蓋をする

— To cover the well. A safety measure to prevent things from falling in.

子供が落ちないように井戸の蓋をした。

井戸を見つける

— To find a well. Discovering a water source.

森の中で古い井戸を見つけた。

Often Confused With

井戸 vs 丼 (Donburi)

The kanji are very similar; 丼 has an extra dot in the middle.

井戸 vs 池 (Ike)

A pond is a surface body of water; a well is a deep hole.

井戸 vs 泉 (Izumi)

A spring is natural; a well is man-made.

Idioms & Expressions

"井の中の蛙大海を知らず"

— A frog in a well knows nothing of the great ocean. Refers to a narrow-minded person.

彼は井の中の蛙だ。

Common/Proverb
"井戸端会議"

— Well-side meeting. Casual gossip or chatting, typically among neighbors.

仕事中に井戸端会議はやめなさい。

Informal
"掘り抜き井戸"

— An artesian well. A specific type of deep well.

この家は掘り抜き井戸を使っている。

Technical
"井戸を掘るなら水の出るまで"

— If you dig a well, dig until you hit water. Meaning: finish what you start.

井戸を掘るなら水の出るまで頑張ろう。

Proverb
"井戸の茶碗"

— A well-tea bowl. A famous type of Korean tea bowl highly prized in Japan.

これは貴重な井戸の茶碗です。

Art/Antique
"井戸の底の月"

— The moon at the bottom of the well. Something unattainable or a mere reflection.

それは井戸の底の月を追うようなものだ。

Literary
"井戸に落ちる"

— To fall into a well. Can mean getting into deep trouble.

彼は自ら井戸に落ちるような真似をした。

Metaphorical
"井戸を埋める"

— To fill in a well. Sometimes implies ending a lineage or a tradition.

古い井戸を埋めて駐車場にした。

Neutral
"井戸の水を絶やす"

— To let the well water run dry. Metaphorically, to exhaust resources.

井戸の水を絶やさないように節約する。

Metaphorical
"井戸の神"

— The well deity. The spiritual guardian of the water source.

井戸の神に感謝する。

Spiritual

Easily Confused

井戸 vs 移動 (Ido)

Identical pronunciation in some contexts.

Ido (movement) is a verb-noun; Ido (well) is a physical object. Context usually makes it clear.

次の場所に移動します (Moving to the next place) vs 井戸があります (There is a well).

井戸 vs 緯度 (Ido)

Identical pronunciation.

Ido (latitude) is a geographical coordinate. Used in navigation/science.

北緯35度 (35 degrees North Latitude).

井戸 vs 異土 (Ido)

Identical pronunciation (rare word).

Means 'foreign land' or 'strange soil'. Very uncommon compared to well.

異土の地を踏む (To step on foreign soil).

井戸 vs 医道 (Ido)

Identical pronunciation.

The 'way of medicine' or medical ethics.

医道を志す (Aiming for the path of medicine).

井戸 vs 井 (I)

Single kanji version.

Often used in names or as a prefix, but 'Ido' is the full word for the object.

井の中の蛙 (Frog in the well).

Sentence Patterns

A1

[Place] ni ido ga arimasu.

Niwa ni ido ga arimasu.

A2

Ido de [Action]shimasu.

Ido de mizu o kumimasu.

B1

Ido ga [Verb-te] shimaimashita.

Ido ga karete shimaimashita.

B2

Ido wa [Noun] to shite tsukawarete imasu.

Ido wa saigaiyou to shite tsukawarete imasu.

C1

Ido wa [Metaphor] o shouchou shite iru.

Ido wa muishiki o shouchou shite iru.

C2

Ido ni [Spiritual Action] o hodokosu.

Ido ni oharai o hodokosu.

B1

Ido no mawari de [Action].

Ido no mawari de asobu.

A2

Kono ido wa [Adjective] desu.

Kono ido wa tsumetai desu.

Word Family

Nouns

井戸水 (Idomizu)
井戸端 (Idobata)
井戸枠 (Idowaku)
掘削井 (Kussakusei)

Verbs

井戸を掘る (Ido o horu)
井戸をさらえる (Ido o saraeru)

Adjectives

井戸のような (Ido no you na)

Related

水 (Mizu)
地下水 (Chikasui)
バケツ (Baketsu)
滑車 (Kassha - Pulley)
つるべ (Tsurube - Well bucket)

How to Use It

frequency

High in historical, rural, or disaster-related contexts; low in modern urban daily life.

Common Mistakes
  • Using 'Ido' for a natural spring. 泉 (Izumi)

    A well is man-made; a spring is natural.

  • Confusing 井戸 with 丼. 井戸

    丼 (donburi) has a dot; 井戸 does not.

  • Saying 'Ido o nomu'. Idomizu o nomu

    You drink the water, not the well itself.

  • Using 'Idobata-kaigi' for formal meetings. Kaigi / Uch合わせ

    Idobata-kaigi implies gossip and is informal.

  • Confusing 'Ido' with 'Idou' (movement). Context dependent

    Pay attention to the long 'u' sound in 'Idou' vs the short 'o' in 'Ido'.

Tips

Respect the Suijin

If you see a well with a small roof or a Shinto rope (shimenawa), it is a sacred site. Do not throw trash in it.

Verb Pairing

Always pair 'Ido' with 'Kumu' for drawing water. Using 'toru' (take) sounds unnatural.

Don't forget the 'door'

The word is 'Ido' (Well + Door). Remembering the 'door' part helps you distinguish it from just the kanji 'I'.

Lids are important

In Japan, 'Ido no futa' (well lid) is a common safety term. Many old wells are covered for safety.

Murakami connection

If you read Haruki Murakami, the word 'Ido' will appear often as a symbol for the subconscious mind.

Surnames

Knowing 'Ido' helps you recognize many Japanese surnames. 'Inoue' (Above the well), 'Ishii' (Stone well), etc.

Castle Wells

When visiting Japanese castles, look for the 'Ido'. They were vital for surviving sieges.

The Frog

Use '井の中の蛙' (I no naka no kawazu) to describe a narrow-minded person in a sophisticated way.

Pumps

Modern wells use 'Ido-ponpu'. You'll see these hand-cranked pumps in many rural gardens.

Emergency use

In an earthquake, look for signs marked '災害用井戸'. This water can be used for washing if the taps stop.

Memorize It

Mnemonic

Think of 'I DO' (井戸). 'I DO' want some water from the well!

Visual Association

Visualize the kanji 井. It looks exactly like the wooden grid that sits over the top of a well.

Word Web

Water Hole Deep Bucket Gossip Ground History Stone

Challenge

Try to find the kanji 井 in a Japanese name today (like Inoue or Sakai). Notice how it is related to the word for well.

Word Origin

The word 'Ido' consists of 'I' (井), which originally meant a place where water gathers or a wooden well frame, and 'Do' (戸), which means door or entrance. Together, they signify the 'entrance to the water source'.

Original meaning: The entrance or gateway to the underground water source.

Japonic

Cultural Context

Be respectful when discussing old wells in Japan, as many people still hold superstitions about filling them in or polluting them.

In English, 'well' can also mean 'healthy' or 'good'. In Japanese, 'Ido' only refers to the water source. English speakers often use 'well' as a filler word, but 'Ido' cannot be used that way.

The Ring (Ringu) - Sadako emerges from a well. Inuyasha - The Bone-Eater's Well is a time portal. The Wind-Up Bird Chronicle (Murakami) - The protagonist sits at the bottom of a dry well.

Practice in Real Life

Real-World Contexts

Rural Tourism

  • この井戸は飲めますか?
  • 古い井戸がありますね。
  • 井戸水を試飲したいです。
  • 井戸の歴史を教えてください。

Disaster Prep

  • 災害時協力井戸
  • 井戸ポンプの点検
  • 非常用の水
  • 地下水を利用する

Horror/Stories

  • 井戸の底から声がする
  • 不気味な井戸
  • 井戸に投げ捨てる
  • 呪いの井戸

Socializing

  • 井戸端会議
  • 近所の噂
  • 立ち話をする
  • 井戸端で会う

Agriculture

  • 畑に井戸を掘る
  • 井戸水で冷やす
  • 農業用の井戸
  • 水不足と井戸

Conversation Starters

"あなたの国には、まだ井戸を使っている場所がありますか? (Are there places in your country that still use wells?)"

"「井の中の蛙」という言葉を聞いたことがありますか? (Have you heard the expression 'frog in the well'?)"

"井戸水を飲んだことがありますか?どんな味でしたか? (Have you ever drunk well water? What did it taste like?)"

"ホラー映画に出てくる井戸は怖いと思いますか? (Do you think the wells that appear in horror movies are scary?)"

"災害の時のために、近所の井戸の場所を知っていますか? (Do you know the location of wells in your neighborhood for emergencies?)"

Journal Prompts

もし自分の庭に井戸があったら、どう使いたいですか? (If you had a well in your garden, how would you want to use it?)

「井の中の蛙」にならないために、あなたはどんなことをしていますか? (What do you do to avoid becoming a 'frog in a well'?)

古い井戸がある村を旅した時のことを想像して書いてください。 (Imagine and write about traveling to a village with an old well.)

水道水と井戸水、どちらが美味しいと思いますか?その理由は? (Which do you think is tastier, tap water or well water? Why?)

日本の「井戸端会議」のような文化はあなたの国にもありますか? (Is there a culture like Japan's 'well-side meeting' in your country?)

Frequently Asked Questions

10 questions

In many rural areas, yes, but in cities, most wells are for non-drinking use (gardening/disasters) due to potential groundwater contamination. Always look for a sign saying 'Inshuyou' (for drinking) or 'Inmeyou' (not for drinking).

It literally means 'well-side meeting'. It refers to neighbors gathering to gossip. In modern times, it's used for any casual, long-winded chat among peers, like in an office breakroom.

Wells are seen as deep, dark, and connected to the 'underworld'. Their isolation and the fact that they contain water (a spiritual medium) make them perfect for creepy stories.

You can use '-tsu' (hitotsu, futatsu) for general counting, or '-ki' for structures, or '-hon' if focusing on the deep shaft.

Coincidentally, yes, it looks like a hashtag, but it actually represents the ancient wooden frames used to keep well walls from collapsing.

Yes, especially for farming, factories, or as a backup for natural disasters. Specialized companies still exist for this.

It means 'A frog in the well'. It's used to describe someone who thinks they know everything because they have a very limited experience of the world.

It simply means 'well water'. It is often used to describe water that is naturally filtered and cold.

Yes, many old neighborhoods still have them, and the Tokyo government maintains many 'Disaster Prevention Wells' for public use during emergencies.

It is the traditional practice of cleaning out a well, usually done once a year to keep the water fresh and the bottom clear of silt.

Test Yourself 181 questions

writing

Translate: 'There is an old well in the village.'

Well written! Good try! Check the sample answer below.

Correct! Not quite. Correct answer:
writing

Translate: 'I drew cold water from the well.'

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speaking

Describe a well in Japanese. (e.g., color, depth, location)

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listening

Transcript: 'Kinou, niwa ni ido o horimashita.' What did the speaker do yesterday?

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writing

Write a sentence using 'Idobata-kaigi'.

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speaking

Talk about the pros and cons of using a well.

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listening

Transcript: 'Kono ido no mizu wa nomemasen.' Can you drink the water?

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writing

Translate: 'He is a frog in a well.'

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speaking

Tell a short story about a haunted well.

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listening

Transcript: 'Ido no mizu ga tsumetakute oishii desu.' How is the water?

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writing

Translate: 'Don't play near the well.'

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speaking

Ask someone if they have a well at their house.

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listening

Transcript: 'Ido o horu no wa taihen desu.' Is digging a well easy?

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writing

Write a sentence about why wells are important.

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speaking

Explain the meaning of 'I no naka no kawazu'.

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listening

Transcript: 'Saigai-ji ni wa ido ga hitsuyou desu.' What is needed during a disaster?

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writing

Translate: 'The well is 10 meters deep.'

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speaking

Describe the kanji 井.

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listening

Transcript: 'Okaasan wa idobata-kaigi ni isogashii.' What is mother busy with?

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writing

Translate: 'Let's clean the well together.'

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speaking

Ask where the nearest well is.

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listening

Transcript: 'Ido no soko ni takara ga aru kamo shirenai.' What might be at the bottom?

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writing

Translate: 'The frog in the well doesn't know the ocean.'

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speaking

Do you think wells are important for the future? Why?

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listening

Transcript: 'Ido no futa o shimete kudasai.' What should you do with the lid?

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writing

Translate: 'The water in that well is very cold.'

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speaking

What would you do if you fell into a well?

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listening

Transcript: 'Kono ido wa kyonen horimashita.' When was the well dug?

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writing

Translate: 'I found a secret well in the forest.'

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speaking

Describe the difference between a well and a tap.

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listening

Transcript: 'Ido no mizu o kumi ni ikimasu.' Where is the speaker going?

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writing

Translate: 'There are many wells in this area.'

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speaking

How do you say 'to dig a well' in Japanese?

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listening

Transcript: 'Ano ido wa mou karete imasu.' Is there water in that well?

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writing

Translate: 'The well water is cold and delicious.'

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speaking

Explain 'Idobata-kaigi' in your own words.

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listening

Transcript: 'Ido o horu no wa kinshi sarete imasu.' Is digging a well allowed?

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writing

Translate: 'We use the well for gardening.'

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speaking

Why do people gossip at the well?

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listening

Transcript: 'Kono ido no mizu wa kirei desu.' Is the water dirty?

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writing

Translate: 'The village well is very old.'

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speaking

Tell me the Japanese word for 'well water'.

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listening

Transcript: 'Ido no mizu o kumi ni ikimashou.' What should we do?

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writing

Translate: 'I am looking into the well.'

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speaking

What is the Japanese proverb about the frog?

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listening

Transcript: 'Ido no mizu wa tsumetai desu ne.' Is the water warm?

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/ 181 correct

Perfect score!

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