pedwerydd

== Welsh == === Alternative forms === 4ydd (abbreviation) === Etymology === From Middle Welsh pedweryd, from Old Welsh petguaret, from Proto-Brythonic *pėdwėrɨð, from Proto-Celtic *kʷetwariyos, equivalent to pedwar (“four”) +‎ -ydd (“-th”). === Pronunciation === (North Wales) IPA(key): /pɛdˈwɛrɨ̞ð/ (South Wales) IPA(key): /pɛdˈweːrɪð/, /pɛdˈwɛrɪð/ === Adjective === pedwerydd (feminine singular pedwaredd, plural pedwerydd, not comparable) (ordinal number) fourth === Mutation ===