tywyllu

== Welsh == === Etymology === Inherited from Middle Welsh tywyllu. By surface analysis, tywyll (“dark”) +‎ -u. === Pronunciation === (North Wales) IPA(key): /təu̯ˈəɬɨ̞/ (South Wales) IPA(key): /təu̯ˈəɬi/, /təˈʊi̯ɬi/ === Verb === tywyllu (first-person singular present tywyllaf) (ambitransitive) to darken, to obscure Antonym: goleuo (transitive, figurative) to darken (a location), to visit ==== Conjugation ==== === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “tywyllu”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “tywyllu”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies