いちようおてんかあきし 一葉落ちて天下の秋を知る Show inflections LinksSentence search for 一葉落ちて天下の秋を知るSentence search for いちようおちててんかのあきをしるKanji details for 一, 葉, 落, 天, 下, 秋 and 知Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. a straw will show which way the wind blows; a falling leaf shows that autumn has comeProverb Discussions Log in to talk about this word.