tylwyth

== Welsh == === Etymology === From tŷ (“house”) +‎ llwyth (“people”). Akin to teulu. === Noun === tylwyth m (plural tylwythau) immediate family household (taxonomy) genus Synonym: genws ==== Derived terms ==== y Tylwyth Teg (“the Fair Folk, fairies”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “tylwyth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies