dau ddeg naw

== Welsh == === Etymology === From dau (“two”) +‎ deg (“ten”) +‎ naw (“nine”). === Pronunciation === (North Wales) IPA(key): /ˌdaɨ̯ðɛɡ ˈnaːu̯/ (South Wales) IPA(key): /ˌdai̯ðɛɡ ˈnau̯/ === Numeral === dau ddeg naw (cardinal number, decimal) twenty-nine Synonym: naw ar hugain === Mutation ===