Dictionary/恒久こうきゅうKoukyuu恒久 (Koukyuu) is a Japanese noun meaning “permanence, perpetuity”.Meaningsnoun, adjectival nounpermanence; perpetuityKanji in 恒久恒constancy久long timeRelated words常usual state of things久しぶりa long time (since the last time)上手く行くto go smoothly久々(in a) long timeお久しぶりit's been a long time永久eternity恒例established practice久しいlong (time that has passed)耐久性durability耐久endurance意気地self-respect久留子cross sign