万ばん古こ不ふ易えき

noun

eternally unchanging; immutable

A yojijukugo meaning something that remains unchanged for all eternity. Often used in formal or literary contexts to describe principles, truths, or natural laws.

• 自し然ぜんの摂せつ理りは万ばん古こ不ふ易えきである。

  The laws of nature are eternally unchanging.

• 彼かれの信しん念ねんは万ばん古こ不ふ易えきのものだ。

  His convictions are immutable.