Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "blue" [1][2]. Related ItemsFamily Tree·Details Other Languages & Culturesblaw(Anglo-Saxon) blau(Frankish) blao(Old High German) Given Name DescendantBlue(English) Surname DescendantsBlue(English) Blau(German) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 68. Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 49.