Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "summer" [1]. Related ItemsFamily Tree·Details Other Languages & Culturessumor(Anglo-Saxon) sumar(Old High German) Given Name DescendantsSommer, Summer(English) Surname DescendantsSommer, Summers(English) Sommer(German) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 491.