Type Word & Element Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "day" [1][2]. Related ItemsFamily Tree·Details Other Languages & Culturesdæg(Anglo-Saxon) dag(Frankish) tag(Old High German) dagr(Old Norse) Given Name DescendantsDagur(Icelandic) Dag(Norwegian) Dagr(Old Norse) Dag(Swedish) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 86. Orel, Vladimir. A Handbook of Germanic Etymology. Brill, 2003, page 66.