Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "thorn" [1]. Related ItemsFamily Tree·Details Other Languages & Culturesþorn(Anglo-Saxon) dorn(Old High German) þorn(Old Norse) Surname DescendantsThorn(Danish) Thorn, Thorne(English) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 552.