天てん地ち長ちょう久きゅうMeaningsExpression1. heaven and earth are eternal (Yojijukugo)Kanji used天heaven地ground長long久long timeComposed of天てん地ちheaven and earth; the universe; the world; nature; land; world; realm; sphere; top and bottomNoun長ちょう久きゅうpermanence; perpetuity; Chōkyū era (1040.11.10-1044.11.24)Noun