pedwerydd ar hugain

== Welsh == === Alternative forms === 24ain (abbreviation) === Etymology === From pedwerydd (“fourth”) +‎ ar (“on”) +‎ ugain (“twenty”). === Pronunciation === (North Wales) IPA(key): /pɛdˌwɛrɨ̞ð ar ˈhɪɡai̯n/ (South Wales) IPA(key): /pɛdˌweːrɪð ar ˈhiːɡai̯n/, /pɛdˌwɛrɪð ar ˈhɪɡai̯n/ === Adjective === pedwerydd ar hugain (feminine singular pedwaredd ar hugain, plural pedwerydd ar hugain, not comparable) (ordinal number) twenty-fourth === Mutation ===