gwiber

== Welsh == === Etymology === From Middle Welsh gwiber, from Proto-Brythonic *gwiber, from Latin vīpera. === Pronunciation === (North Wales) IPA(key): /ˈɡwɪbɛr/ (South Wales) IPA(key): /ˈɡwiːbɛr/, /ˈɡwɪbɛr/ Rhymes: -ɪbɛr === Noun === gwiber f (plural gwiberod) adder, viper common European adder (Vipera berus) Synonym: neidr ddu ==== Derived terms ==== gwellt y wiber (“viper's grass (Scorzonera humilis)”) gwiberlys, glesyn y wiber, bronwerth y wiber (“viper's bugloss (Echium vulgare)”) === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “gwiber”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwiber”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies