1) 以降いこう #2,781 Link copied! Common Pitch accent い こ う [1] Atamadaka Meaning ① Noun Adverb on and after; from ... onward; since それ以降いこう彼かれは辛つらい一生いっしょうを送おくった。 He led a hard life after that. Kanji 以 イ by means of, because, in view of 降 コウ descend, precipitate, fall Forms 以降#2,781以降いこういこういこう已降(rarely used kanji form)已降いこう Learn this word with smart reviews that adapt to you Save word