adverb, noun which may take the genitive case particle 'no'
by nature; natural-born; from the start
Describes an inherent quality or disposition that has been present from the beginning. Often used with nouns like 商人 (merchant) or 芸術家 (artist).
See also: 根っから
彼は根からの商人だ。
He is a natural-born merchant.
彼女は根からの芸術家で、子
adverb, noun which may take the genitive case particle 'no'
absolutely (not); (not) at all
Used with a negative verb to express strong denial. Emphasizes that something is completely not the case.
そんなことは根から信じていない。
I absolutely do not believe such a thing.
彼は根から悪い人間ではない。
He is not a bad person at all.
She is an artist by nature, and has been drawing since she was a child.