Dictionary/数億年すうおくねんSuuokunen数億年 (Suuokunen) is a Japanese noun meaning “several hundred million years”.Meaningsnounseveral hundred million yearsKanji in 数億年数number億hundred million年yearRelated words年year年year今年this year億hundred million屡々often数number数several年間(period of) a year何年how many years半年half a year少年boy去年last year