What does 一夜 mean?
一夜 is a Japanese noun meaning “one night, overnight” in English. It is written as 一夜 in kanji, いちや in hiragana, and ichiya in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼らは海岸で一夜を明かした。
They spent the night on the beach.