Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "lock, bar for a door" [1]. Related ItemsFamily Tree·Details Other Languages & Culturesslot(Old Dutch) sloz(Old High German) Surname DescendantsSchlösser, Schlosser, Slusser(German) Ślusarska, Ślusarski(Polish) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 454.