Efrog

== Welsh == === Etymology === From Old Welsh Caer Ebrauc. Ultimately from Proto-Brythonic *Eβrọg; equivalent to efwr +‎ -og. Related to Breton and Cornish evor and Irish iubhar (“yew”), iúr. === Pronunciation === IPA(key): /ˈɛvrɔɡ/ === Proper noun === Efrog f York ==== Derived terms ==== Efrog Newydd (“New York”) Swydd Efrog (“Yorkshire”) === Mutation ===