noun, noun or participle which takes 'suru', intransitive verb
imprisonment; being sent to prison
Refers to the act of being put in prison or the state of being imprisoned. Often used in formal or legal contexts.
彼は詐欺の罪で入獄した。
He was imprisoned for fraud.
入獄中に彼は反省文
While in prison, he wrote a letter of remorse.