Type Word Usage Old Celtic (Hypothetical) Meaning & History Celtic word meaning "kin, family, birth" [1] . Related ItemsFamily Tree ·Details Other Languages & Culturesgen (Medieval Breton) gan (Old Irish) gen (Old Welsh) Sources & ReferencesShow Inline Numbers Hide Inline Numbers Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 158. Share on Facebook Share on Twitter Entry updated May 26, 2026