failc

bathe, lave, Irish folcadh, Old Irish folcaim, Welsh golchi, Breton goalc'hi, wash, *volkô; Lettic wa'lks, damp, wa'lka, flowing water, swampish place. Further allied is Gaelic fliuch, q.v. Possibly here place Volcae, the Rhine Gauls, after whom the Teutons named the Celts; whence Wales, Welsh, etc.