llyfrothen

== Welsh == === Etymology === Perhaps from llwfr (“cowardly”) +‎ rhwth (“gaping”) +‎ -en (“singulative ending”). === Noun === llyfrothen f (plural llyfrothod or llyfrothennod) rock gunnel, butterfish (Pholis gunnellis) goby (Gobio spp.) especially common gudgeon (Gobio gobio) Synonyms: llyfrothen dŵr croyw, gwyniad pendew, symlyn (in compounds) blenny ==== Derived terms ==== === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “llyfrothen”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “llyfrothen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies