Proto-Celtic *wēsarom, from Proto-Indo-European *weys- (“to melt away, to flow”) compare Old Irish fi (“poison”), Latin virus (“poison, sap of plants, slimy liquid, a potent juice”), viscum (“sticky substance, birdlime”); Sanskrit विष (viṣa, “poison, poisonous”); Avestan 𐬬𐬌𐬱- (viš-, “poison”) Ancient Greek ἰός (iós, “poison”), ἰξός (ixós, “mistletoe, birdlime”) Proto-Slavic *višьňa (“cherry”)[1]
gwyar m (uncountable)
Welsh mutation | |||
---|---|---|---|
radical | soft | nasal | aspirate |
gwyar | wyar | ngwyar | unchanged |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “gwyar”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies