English
imprisoner
From imprison + -er.
Formed from imprison + -er
Proto-Indo-European *gʰed- ‘to find’
…
Old French prison
Old French emprisonner ‘to imprison’
Middle English emprisonen
Middle English imprisonen
English imprison
Today it means
noun One who imprisons.
Language periods are conventional ranges, not dates for this word.
Etymograph / imprisoner