Type Word & Element Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "wave, flood" [1]. Related ItemsDetails Other Languages & Culturesunnr(Old Norse) Given Name DescendantsUnnur(Icelandic) Unn(Norwegian) Unnr(Old Norse) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 560.