Trefynwy

== Welsh == === Etymology === tref +‎ Mynwy === Pronunciation === (North Wales) IPA(key): /trɛˈvənʊɨ̯/ (South Wales) IPA(key): /trɛˈvənʊi̯/ === Proper noun === Trefynwy f Monmouth (a town in Monmouthshire) === Mutation ===