根っこ

根っこ

Root; foundation; underlying cause.

Root of a tree.

木の根っこが地面にしっかりと張っています。

The tree's roots are firmly spread in the ground.

Root as the fundamental cause.

問題の根っこを探る必要があります。

We need to search for the root of the problem.

Root symbolizing emotional or personal attachment.

私は田舎育ちなので、都会には根っこがありません。

I grew up in the countryside, so I feel no attachment to the city.