Translation guide
The English word "root" has several distinct meanings. This guide covers the most common ones for learners: the underground part of a plant, the basic cause or origin of something, the part of a tooth or hair embedded in tissue, and mathematical roots. It also touches on cheering for someone and rooting through things. Each meaning is presented with natural Japanese expressions.
The part of a plant that grows underground, absorbing water and nutrients.
The standard word for the root of a plant. Used in everyday conversation and technical contexts.
木の根が地面に深く張っている。
The tree's roots spread deep into the ground.
この植物は根から栄養を吸収する。
This plant absorbs nutrients through its roots.
A colloquial, slightly childish or friendly word for root. Often used in casual speech.
雑草の根っこを全部抜いてください。
Please pull out all the weed roots.
The fundamental cause, source, or origin of a problem, situation, or feeling.
The most common word for 'cause'. Used for problems, events, and phenomena.
事故の原因はまだ調査中です。
The cause of the accident is still under investigation.
ストレスの原因を取り除くことが大切だ。
It's important to eliminate the root cause of stress.
A more formal or literary term for 'root' or 'source', often used for abstract concepts like evil, problems, or culture.
Means 'root' or 'foundation', often used in phrases like 'fundamental solution' or 'root cause'. Similar to 根源 but more common in everyday formal contexts.
A phrase meaning 'underlying' or 'at the root of'. Used to describe the fundamental basis of something.
彼の行動の根底には深い不安がある。
At the root of his behavior is a deep anxiety.
The part of a tooth or hair that is embedded in the gum or skin.
The same word as plant root, but used for tooth and hair roots as well. Context makes it clear.
歯の根が痛む。
The root of my tooth hurts.
髪の毛は根から生えている。
Hair grows from the root.
A technical term specifically for tooth root, used in dentistry.
A technical term specifically for hair root.
A number that, when multiplied by itself a certain number of times, equals a given number.
Used in mathematical terms like 'square root' (平方根) or 'cube root' (立方根).
4の平方根は2です。
The square root of 4 is 2.
The loanword 'root' from English, commonly used in math class for the root symbol (√).
ルート9は3です。
The square root of 9 is 3.
To support or encourage a person or team enthusiastically.
The standard verb for 'to cheer for' or 'to support'. Used for sports, exams, and personal endeavors.
私はいつも地元のチームを応援しています。
I always root for the local team.
試験に合格するように応援しているよ。
I'm rooting for you to pass the exam.
Literally 'to send cheers', meaning to shout encouragement, often at sports events.
観客は選手に声援を送った。
The spectators rooted for the players.
To search for something by moving things around, often in a messy or hurried way.
Means 'to stir up' or 'to rummage'. Used when someone is searching through a pile or container, often making a mess.
彼は引き出しの中をかき回して鍵を探した。
He rooted through the drawer looking for the key.
Means 'to rummage' or 'to fish around'. Often used for searching through a bag, pocket, or pile of things.
The English phrase 'root for' does not have a direct word-for-word equivalent in Japanese. Use 応援する (ouen suru) or 声援を送る (seien o okuru) instead. Avoid literal translations like 根のために (ne no tame ni), which would be nonsensical.
原因 (gen'in) is the most common and neutral word for 'cause'. 根源 (kongen) is more abstract and formal, often used for deep-rooted origins. 根本 (konpon) is similar but often appears in compound words like 根本的 (fundamental). For everyday 'root cause', 原因 is usually sufficient.
問題の根本はコミュニケーション不足だ。
The root of the problem is a lack of communication.
応援してるよ！
I'm rooting for you!
貧困は多くの社会問題の根源だ。
Poverty is the root of many social problems.
問題の根本的な解決策を見つける必要がある。
We need to find a fundamental solution to the problem.
You need root canal treatment.
毛根が弱っていると髪が抜けやすくなる。
If the hair roots are weak, hair falls out easily.
Means 'to search around' or 'to hunt for'. Emphasizes moving around while searching.
家中を探し回って、やっと財布を見つけた。
I rooted through the whole house and finally found my wallet.
She rooted through her bag looking for her phone.