Dictionary/発効はっこうHakkou発効 (Hakkou) is a Japanese noun meaning “coming into effect”.Meaningsnoun, suru verb, intransitive verbcoming into effectKanji in 発効発departure効meritRelated words発見discovery開発development発表announcement爆発explosion発生occurrence発departure効くto be effective出発departure効果effect発言statement甲斐result (that makes an act worthwhile)一発one shot