Type Word & Element Usage Anglo-Saxon Meaning & History Old English word meaning "day". Related ItemsFamily Tree·Details Other Languages & Culturesdag(Frankish) dagaz(Old Germanic) tag(Old High German) dagr(Old Norse) Given Name DescendantsLeofdæg(Anglo-Saxon) Sunday, Tuesday(English) Friday, Monday(English (African)) Surname DescendantsMonday, Mondy(English)