English
harbormaster
From harbor + master.
Proto-West Germanic *harjabergu ‘army shelter, refuge’
Old English herebeorg ‘shelter, lodgings, quarters’
Middle English herberwe ‘a place of residence’
English harbor
Proto-Indo-European *méǵh₂s ‘big’
Old Latin magester
Latin magister ‘chief’
Old English mǣster
Middle English maister ‘master’
English master
Today it means
noun An official responsible for the enforcement of regulations in a port.
Language periods are conventional ranges, not dates for this word.
Etymograph / harbormaster