Verbぬ
Usage
ぬ is a verb negative ending in Classical Japanese and is equivalent to ない in meaning and form. For example, 言わぬ is equivalent to 言わない. In modern Japanese, it often appears in set phrases. "Not"
食べぬ
飲まぬ
来ぬ、せぬ
Examples
思わぬ結果になって、びっくりしている。
It became the result that I did not think of, so I was surprised
「聞くは一時の恥、聞かぬは一生の恥」ですよ。だから、どんどん質問してください。
Asking once is shame, not asking is the entire life is shame. That is why you should rapidly be asking questions.