無む期き禁きん錮こ

• 無む期き懲ちょう役えき

  無期懲役 is life imprisonment with compulsory labor, while 無期禁錮 is life imprisonment without work.

• 禁きん錮こ

  禁錮 is imprisonment without work; 無期禁錮 specifies a life term.

• 無む期き禁きん錮こ

  Standard legal spelling using 禁錮.

• 無む期き禁きん固こ

  Variant spelling using 禁固; also seen in legal contexts.

Compound of 無期 (indefinite term) and 禁錮 (imprisonment without work), a legal term established in modern Japanese law.