ewyn

Etymology
From Proto-Brittonic (compare Welsh, Middle Breton eon and Modern Breton . The e-vocalism in Brittonic is the result of Umlaut) from Proto-Celtic  (or possibly  < from PIE *pew(H)- )  (compare Old Irish ', ', 'foam' and Modern Irish  (variants obhan, odhan and othan which all reflect the early Old Irish pronunciation of auen as a disyllabic word before loss of hiatus original caused by loss of *w.)

Noun

 * 1) foam

Etymology
From (compare 🇨🇬, Middle Breton eon and Modern 🇨🇬).

Noun

 * 1) foam, spume, froth
 * 2) suds, lather, scum