故こ実じつ

noun

ancient practices; old customs

Refers to traditional customs, precedents, or historical practices, often studied in the context of court or samurai traditions.

• 彼かれは日本にほん史しの故こ実じつに詳くわしい。

  He is knowledgeable about the ancient practices of Japanese history.

• 故こ実じつを調しらべるために古こ文もん書じょを読よんだ。

  I read old documents to research old customs.