わからぬ

don't understand, don't know

→ 分かる

わから understand; get + ぬ Negative (not)

verb · informal Rare #43,497

don't understand, don't know An old-fashioned or literary negative form of わかる; it can sound formal or stylized in dialogue.

JA: この説明ではわからぬ。

EN: I don't understand from this explanation.

Conjugation of 分かる

Indicative

I don't know.

— もののけ姫 (1997)

I'm not so foolish that I can't appreciate its merits.

I don't know...

— もののけ姫 (1997)