源泉
A source is the place where something comes from or starts.
Explanation at your level:
A source is where something comes from. For example, the sun is a source of light. You use this word when you want to say where you found information or where a river starts.
At this level, you can use source to talk about where things begin. You might say, 'The library is a good source of books' or 'What is the source of this problem?' It helps you explain your ideas more clearly.
You can use source to discuss origins in more detail. It is very common to talk about 'reliable sources' when doing homework or reading the news. It is a useful word for explaining the background of a story or a scientific process.
At the B2 level, source becomes a key tool for academic writing and professional debate. You will use it to cite evidence, discuss energy consumption, or trace the root causes of complex social issues. It adds precision to your arguments.
In advanced contexts, source is used to distinguish between primary and secondary evidence. It is also used metaphorically to describe people or things that provide emotional support or inspiration. Mastering this word allows for nuanced discussions about history, journalism, and philosophy.
At the mastery level, you understand the etymological depth of source and its role in formal discourse. You use it to critique the validity of data, discuss the provenance of historical artifacts, and explore the philosophical origins of human behavior. It is a versatile anchor for high-level analytical thought.
30秒でわかる単語
- Source means origin or starting point.
- It is a countable noun.
- Commonly used in journalism and science.
- Rhymes with force and course.
When we talk about a source, we are talking about the 'beginning' of something. Think of it as the root of a tree or the spring that feeds a stream. It is the place or thing that provides us with what we need.
In our daily lives, we use this word constantly. You might look for a source of energy, like the sun, or a source of news, like a newspaper. It is a very versatile word that helps us explain where things originate.
Understanding this word is key to being a good researcher and a curious thinker. Whenever you see something happening, asking 'What is the source?' is the best way to get to the truth of the matter.
The word source has a beautiful history that takes us back to the Middle Ages. It comes from the Old French word sourse, which meant 'the rising of a spring' or 'the act of rising.'
This French word was derived from the Latin surgere, which means 'to rise.' You can see the connection to the word surge, which describes a sudden, powerful forward or upward movement, like a wave or a sudden burst of electricity.
Over centuries, the word evolved from describing only water coming from the ground to describing the origin of abstract things like ideas, rumors, or historical facts. It is fascinating how a word that started with water eventually came to represent the foundation of our entire knowledge base.
You will hear source used in many different contexts. In journalism, we often talk about 'reliable sources' or 'anonymous sources.' In science, we talk about 'energy sources' or 'light sources.'
Common collocations include primary source, which refers to original documents, and secondary source, which refers to interpretations of those documents. You might also hear people say 'trace the source' when they are trying to find where a problem began.
The register of this word is generally neutral to formal. While you can use it in casual conversation—'What's your source for that rumor?'—it is also perfectly at home in academic papers and professional reports. It is a high-frequency word that you should feel comfortable using in any setting.
Go to the source: To get information directly from the original person or place. Example: 'If you want the truth, go to the source.'
Source of pride: Something that makes you feel very happy and proud. Example: 'Her garden is a great source of pride for her.'
A source of income: A way to make money. Example: 'He needed a new source of income after retiring.'
Back to the source: Returning to the beginning of a process. Example: 'We had to go back to the source to fix the bug in the code.'
Hidden source: Something that provides value but is not easily seen. Example: 'His kindness was a hidden source of strength for the team.'
The word source is a countable noun. Its plural form is sources. You will often see it paired with the definite article 'the' or the indefinite article 'a' depending on whether you are referring to a specific origin or just one of many.
Pronunciation-wise, in US English it is /sɔrs/ and in UK English it is /sɔːs/. The 'r' sound is often dropped in non-rhotic British accents, making it sound more like 'saw-ss'.
It rhymes with words like course, force, horse, coarse, and remorse. The stress is always on the single syllable, making it a very punchy and direct word to say during a presentation or a conversation.
Fun Fact
It is related to the word 'surge'.
Pronunciation Guide
Sounds like 'saw-ss'.
Sounds like 'sore-ss'.
Common Errors
- Mixing up with 'sauce'
- Dropping the 'r' in US English
- Mispronouncing the final 's'
Rhymes With
Difficulty Rating
Easy to read
Easy to write
Easy to say
Easy to hear
What to Learn Next
Prerequisites
Learn Next
上級
Grammar to Know
Countable Nouns
A source, two sources.
Prepositional Phrases
Source of information.
Articles
The source.
Examples by Level
The sun is a source of light.
Sun = light origin
Noun + of + noun
Where is the source of the river?
River start point
Question structure
I need a source for my report.
Need information
Indefinite article
What is the source of this noise?
Noise origin
What is...
This book is a great source.
Good information
Predicate adjective
He found the source.
Located the origin
Simple past
It is a secret source.
Hidden origin
Adjective use
The source is far away.
Origin is distant
Subject-verb agreement
The library is a source of knowledge.
She cited her source in the essay.
We need to find the source of the error.
The internet is a common source of news.
He is a source of inspiration for me.
The map shows the source of the Nile.
They are looking for a new energy source.
Her smile is a source of joy.
The journalist protected her source.
Primary sources are essential for historians.
The company is a major source of jobs.
We traced the problem to its source.
Solar power is a clean source of energy.
He is a reliable source of information.
The book lists all its sources at the end.
They found a new source of funding.
The report relies on multiple credible sources.
The source of the conflict remains unclear.
We must distinguish between primary and secondary sources.
His research is a valuable source for students.
The government is seeking a stable source of revenue.
The source code is available online.
She is a constant source of support for her family.
The origin of the virus is a common source of debate.
The scholar analyzed the source material extensively.
The source of his wealth has been a subject of speculation.
We need to cross-reference our sources to ensure accuracy.
The documentary explores the source of human creativity.
He questioned the integrity of the source.
The policy change was a source of great controversy.
They identified the source of the contamination.
The artist drew inspiration from a variety of sources.
The provenance of the painting was traced to its original source.
The philosophical source of his argument is rooted in Kant.
The source of the river has been mythologized for centuries.
He acted as a clandestine source for the investigation.
The source of the aesthetic movement was a small group of poets.
The text serves as the definitive source on the subject.
The source of the discrepancy was a simple clerical error.
Her work is a source of profound cultural insight.
よく使う組み合わせ
Idioms & Expressions
"go to the source"
Get info from the original place.
To get the truth, go to the source.
neutral"source of all evil"
The root cause of bad things.
Money is often called the source of all evil.
common"a fountain of knowledge"
Someone who knows a lot.
My grandfather is a fountain of knowledge.
casual"at the source"
Right where it begins.
We caught the problem at the source.
neutral"wellspring of life"
Something essential for living.
Water is the wellspring of life.
literary"back to the drawing board"
Starting over (related to source).
The plan failed, so back to the drawing board.
casualEasily Confused
Similar phonetics
Sauce is a liquid; source is an origin.
Tomato sauce vs source of truth.
Contains the word source
Resource is a supply; source is an origin.
Natural resources vs source of river.
Similar meaning
Origin is more abstract; source is often concrete.
Origin of life vs source of the river.
Similar meaning
Base is the bottom; source is the start.
Base of a statue vs source of an idea.
Sentence Patterns
The source of [noun] is...
The source of the problem is clear.
Find the source of...
We need to find the source of the leak.
Be a source of...
She is a source of joy.
Cite your sources.
Make sure to cite your sources.
Trace back to the source.
Trace the rumor back to the source.
語族
Nouns
Verbs
Adjectives
関連
How to Use It
9
Formality Scale
よくある間違い
Source implies information provider; expert implies skill.
They sound similar but mean totally different things.
Source requires a preposition to connect to the thing.
Check if you are talking about one or many.
Source implies origin, not just a physical spot.
Tips
Memory Palace
Imagine a fountain in your garden; that is your source.
Journalism
Always ask for a source when reading news.
Academic
Citing sources is vital in English schools.
Articles
Always use 'a' or 'the' before source.
The 'R'
Don't forget the 'r' sound in US English.
Sauce vs Source
Sauce is for food; Source is for origins.
Surge
Source and surge share the same root.
Flashcards
Use 'source' in sentences about your hobbies.
Business
Sourcing means finding suppliers.
Plurals
It is always 'sources'.
Memorize It
Mnemonic
Source = Start Of Ur (your) REasoning.
Visual Association
A mountain spring bubbling up.
Word Web
チャレンジ
Find three sources for a topic you like.
語源
Old French / Latin
Original meaning: To rise, as in a spring.
文化的な背景
None.
Used heavily in journalism and academia.
Practice in Real Life
Real-World Contexts
Journalism
- anonymous source
- reliable source
- cite a source
Science
- energy source
- light source
- source of heat
Education
- primary source
- secondary source
- list of sources
Business
- sourcing materials
- new source of revenue
- cost-effective source
Conversation Starters
"What is your main source of news?"
"Who is a source of inspiration for you?"
"How do you find reliable sources?"
"Is the internet a good source of information?"
"What is the source of your favorite hobby?"
Journal Prompts
Write about a source of pride in your life.
Describe the source of your favorite river.
How do you check if a source is reliable?
What is a source of stress for you lately?
よくある質問
8 問Yes, it is a countable noun.
Like 'sore-ss' in US English.
Yes, to source materials means to find them.
An original document from the time of an event.
It is neutral but used in formal contexts.
In some accents, yes.
Latin 'surgere' (to rise).
Yes, a source of information.
自分をテスト
The sun is a ___ of light.
Sun provides light.
What is a source?
Source means origin.
A primary source is an original document.
Correct definition.
Word
意味
Common collocations.
We must find the source.
スコア: /5
Summary
A source is the origin from which something begins or is obtained.
- Source means origin or starting point.
- It is a countable noun.
- Commonly used in journalism and science.
- Rhymes with force and course.
Memory Palace
Imagine a fountain in your garden; that is your source.
Journalism
Always ask for a source when reading news.
Academic
Citing sources is vital in English schools.
Articles
Always use 'a' or 'the' before source.
Related Content
関連フレーズ
generalの関連語
一下儿
A1a bit, a moment
点儿
A1a little bit
有点儿
A1a little, somewhat (negative connotation)
一下
A2A bit; a moment (used after a verb).
异样
B1different; unusual; strange
关于
A1about, concerning
快要
A2to be about to (happen)
大约
B1Used to show that a number or amount is not exact; approximately.
上边
A2above, on top
上面
A1on, above, over