uffern

== Welsh == === Alternative forms === uffar, yffarn, yffach === Etymology === From Middle Welsh uffern, from Proto-Brythonic *ifern, from Vulgar Latin *īferna, from Latin īnferna. === Pronunciation === (North Wales) IPA(key): /ˈɨ̞fɛrn/ (South Wales) IPA(key): /ˈɪfɛrn/ === Noun === uffern f (plural uffernau or uffernoedd) hell ==== Derived terms ==== pan fydd uffern yn rhewi drosodd (“when Hell freezes over”) uffern o (“a hell of”) uffernol (“hellish”) === Interjection === uffern (impolite, sometimes considered vulgar) hell, damn === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “uffern”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies