Its Breton name is "Gwazel", that comes directly from "Wadel > Gwadel > Gwazel", in Breton intervocalic becomes [z, like in "mezo" ″drunk″, Welsh "meddw" ″drunk″. In French intervocalic disappears totally : "Wadel > Wael" (Latin "cadena" > French "chaine" > English "chain") and initial Germanic "w-" became "gu-" [gʷ (+ "-a") before becoming simply : "Guadel > Gael" (cf. Old French "guarder" > French "garder", English "guard"). The symbol "ë" means in Modern French that the preceding "a" has to be pronounced : "Ga-el" [gaɛl (not )