tyfu

== Welsh == === Alternative forms === tyddu, twddu === Etymology === From Proto-Brythonic *tüβ̃id, from Proto-Celtic *tumīti, ultimately from Proto-Indo-European *tum-. === Pronunciation === (North Wales) IPA(key): /ˈtəvɨ̞/ (South Wales) IPA(key): /ˈtəvi/ Rhymes: -əvɨ === Verb === tyfu (first-person singular present tyfaf) (intransitive) to grow (become bigger in size) Synonym: aeddfedu to grow, to increase (hair etc.) (intransitive) to grow, to increase, to rise Synonym: cynyddu (transitive) to grow, to cultivate Synonyms: cynhyrchu, codi ==== Conjugation ==== ==== Derived terms ==== aildyfu (“to regenerate”) atyfu (“to germinate”) tyfiant, tyfiad (“growth; tumour”) tyfwr (“grower”) ==== Related terms ==== twf (“growth”) === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “tyfu”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “tyfu”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies