English

irremission

From ir- + remission.

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in ‘into’

English in-

Latin mittō ‘to send, dispatch, cause to go, let go,…’

…

Late Latin remissiō ‘forgiveness’

Old French remission ‘forgiveness of sin’

Anglo-Norman remission

Middle English remissioun ‘release from duty’

Today it means

noun Refusal of pardon.

Language periods are conventional ranges, not dates for this word.

Etymograph / irremission