()

noun
root
1. root (of a plant)
The part of a plant that grows underground, absorbing water and nutrients.
()()てきた。
Roots have started to come out.
この()()(ふか)い。
This tree has deep roots.
(はな)()(みず)をやった。
I watered the roots of the flowers.
台風(たいふう)()()から(たお)れた。
The tree fell from the roots in the typhoon.
雑草(ざっそう)()から()かないと、また()えてくる。
If you don't pull weeds out by the roots, they'll grow back.
2. root, basis, foundation
The fundamental cause or source of something; the core or essence.
問題(もんだい)()(さぐ)る。
To search for the root of the problem.
(かれ)()(やさ)しい(ひと)だ。
He's a kind person at heart.
()は〜 = at heart, fundamentally
()()もない(うわさ)(しん)じてはいけない。
You shouldn't believe groundless rumors.
()()もない = groundless, baseless
()から(はなし)()いて、本当(ほんとう)原因(げんいん)()つけよう。
Let's listen from the root of the matter and find the real cause.
()から = from the root, fundamentally
この問題(もんだい)()(ふか)いので、簡単(かんたん)には解決(かいけつ)できない。
This problem is deep-rooted, so it can't be easily resolved.

USAGE: () refers to both literal plant roots and figurative foundations/causes. It's used in many idiomatic expressions.

COMMON PATTERNS:

  • ()(ふか)い (deep-rooted)
  • ()()る (to take root)
  • ()から (from the root, fundamentally)
  • ()()もない (groundless, baseless)
  • ()は (at heart, fundamentally)

COMMON COMPOUNDS:

  • ()(しょう) (nature, disposition)
  • ()() (perseverance, patience)
  • ()(もと) (root, base)
  • ()(きょ) (basis, grounds)
  • 大根(だいこん) (daikon radish)
  • 屋根(やね) (roof)

IDIOMS:

  • ()()もない(うわさ) (groundless rumor)