Save Gender Masculine Usage Anglo-Saxon Pronounced Pron. MEH-reh-waahlkh(Old English) [key·IPA] Other Forms FormsMerewalh, Merwal Meaning & History Derived from the Old English elements mere "sea" and wealh "foreigner, Celt". This name was borne by a sub-king of the Magonsæte in the mid to late 7th century.