expression
Classical Japanese expression attached to the ない-stem of a verb. Expresses an attempt or desire to do something. Rare in modern Japanese; encountered mainly in pre-modern texts.
昔の人は、道を極めんと欲して旅に出た。
People in the old days set out on journeys, endeavoring to master the way.
彼は真実を知らんと欲したが、果たせなかった。
He wanted to know the truth, but could not achieve it.