遺い戒かい

noun

one's last caution; dying admonition

A formal, somewhat literary term for a warning or instruction left by someone before death. Often used in historical or solemn contexts.

• 父ちちの遺い戒かいを守まもって生いきてきた。

  I have lived by my father's dying admonition.

• 遺い戒かいに従したがい、争あらそいを避さけた。

  Following the last caution, they avoided conflict.