Type Element Usage Ancient Scandinavian Meaning & History Old Norse element meaning "to wave, to billow". DetailsRelated Items Given Name DescendantsHreiðunn, Steinunn, Þórunn, Unnr(Ancient Scandinavian) Steinunn, Þórunn, Unnur(Icelandic) Reidun, Torunn, Unn, Unni(Norwegian) Entry added December 3, 2014 ·