国こっ禁きん

noun

state prohibition; national ban

Refers to something prohibited by the state or national law. Often used in historical or legal contexts.

• 江え戸ど時じ代だいにはキリスト教きょうが国こっ禁きんとされた。

  During the Edo period, Christianity was prohibited by the state.

• その書しょ物もつは国こっ禁きんに触ふれる内ない容ようを含ふくんでいた。

  The book contained content that violated the national ban.