Type Word Usage Old Celtic (Hypothetical) Meaning & History Celtic word meaning "god" [1]. Related ItemsFamily Tree·Details Other Languages & Culturesdía(Old Irish) duiu(Old Welsh) Given Name DescendantDee(English) Place Name DescendantsDee(English) Dhè(Scottish Gaelic) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 96.