gwirfwy

== Welsh == === Etymology === From gwirf (“alcohol”) +‎ -wy. === Pronunciation === (North Wales) IPA(key): /ˈɡwɪrvʊɨ̯/ (South Wales) IPA(key): /ˈɡwɪrvʊi̯/ Rhymes: -ɪrvʊɨ̯ === Noun === gwirfwy m (uncountable) (uncountable, organic chemistry, obsolete) ether Synonym: ether === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwirfwy”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies