gwyddor

== Welsh == === Etymology === Aphetic variant of egwyddor (now only ‘principle’), ultimately from Latin abēcēdārium (“alphabet”), through the meaning ‘basic(s), fundamental(s)’. === Pronunciation === (North Wales) IPA(key): /ˈɡwɨ̞ðɔr/ (South Wales) IPA(key): /ˈɡʊi̯ðɔr/, /ˈɡwɪðɔr/ Rhymes: -ʊɨ̯ðɔr === Noun === gwyddor f (plural gwyddorau) alphabet (countable) a science ==== Derived terms ==== ==== Related terms ==== gwyddoniaeth f (“science (uncountable)”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwyddor”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies