万ばん世せい不ふ易えき

noun

eternal and unchanging; everlasting

A formal yojijukugo meaning something that remains unchanged for all eternity. Often used in solemn or literary contexts.

• この憲けん法ぽうは万ばん世せい不ふ易えきの真しん理りに基もとづいている。

  This constitution is based on eternal and unchanging truths.