dyddio

== Welsh == === Etymology === From dydd (“day”) +‎ -io. === Pronunciation === IPA(key): /ˈdəðjɔ/ === Verb === dyddio (first-person singular present dyddiaf) (intransitive) to dawn, to become day (transitive) to date (to mark with a date) (transitive) to date, to determine the age of Synonym: amseru ==== Conjugation ==== ==== Derived terms ==== dyddiad (“date”, noun) dyddiedig (“dated”) ôl-ddyddio (“to backdate”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “dyddio”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies