English

keymaster

From key + master.

A compound of key + master

Proto-West Germanic *kaiju

Old English cǣġ ‘key’

Middle English keye ‘a key’

English key

Proto-Indo-European *méǵh₂s ‘big’

Old Latin magester

Latin magister ‘chief’

Old English mǣster

Middle English maister ‘master’

Today it means

noun A person in charge of a key or keys.

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

Etymograph / keymaster