Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "hare" [1]. Related ItemsFamily Tree·Details Other Languages & Cultureshara(Anglo-Saxon) haso(Old Dutch) haso(Old High German) haso(Old Saxon) Surname DescendantsDe Haas, Haas(Dutch) Haas, Haase, Hase(German) Same Spellinghaso Sources & References Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 164.