fem. proper name; the first element is Breton gwenn "white" (source also of Welsh gwyn, Old Irish find, Gaelic fionn, Gaulish vindo- "white, shining," literally "visible"), from nasalized form of PIE root *weid- "to see."
*gwa-
*gwei-
*gwele-
Gwen
*gwen-
Gwendolyn
*gwere-
*gwher-
*gwhi-
*gwora-
*gwou-