gweinyddiad

== Welsh == === Etymology === From gweinyddu (“to administer”) +‎ -iad. === Pronunciation === IPA(key): /ɡwei̯ˈnəðjad/ === Noun === gweinyddiad m (plural gweinyddiadau) administration (act of administering) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gweinyddiad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies