gwyniad pendew

== Welsh == === Etymology === Literally, “thick-headed gwyniad”. === Noun === gwyniad pendew f (plural gwyniaid pendew or gwyniaid pendewon) gudgeon, goby (Gobio gobio) Synonyms: llyfrothen (dŵr croyw), symlyn === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwyniad pendew”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies