Type Word Usage Medieval Breton Meaning & History Middle Breton word meaning "white". Related ItemsFamily Tree·Details Other Languages & Cultureswindos(Old Celtic) finn(Old Irish) gwen, gwyn(Old Welsh) Given Name DescendantsGwenaël, Gwenaëlle, Gwendal, Gwenn(Breton) Gwenaël, Gwenaëlle(French) Gwenhael(Medieval Breton)