tywyll

== Welsh == === Etymology === From Old Welsh timuil, from Proto-Brythonic *tɨβ̃uɨl, from Proto-Celtic *temeslos, from Proto-Indo-European *temH-. === Pronunciation === (North Wales) IPA(key): /ˈtəu̯.ɨ̞ɬ/ (South Wales) IPA(key): /ˈtəu̯.ɪɬ/, /ˈtə.ʊi̯ɬ/ Rhymes: -əu̯ɨ̞ɬ === Adjective === tywyll (feminine singular tywell, plural tywyllion, equative tywylled, comparative tywyllach, superlative tywyllaf) dark (phonology) close, high (of vowel) Synonym: caeedig ==== Derived terms ==== ffrwyn dywyll (“blinkers”) mater tywyll (“dark matter”) tywyllu (“to darken”) pendywyll (“dark-headed”) === Noun === tywyll m (usually uncountable, plural tywyllau) darkness Synonym: tywyllwch === Mutation === === Further reading === Griffiths, Bruce; Glyn Jones, Dafydd (1995), “dark”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN D. G. Lewis, N. Lewis, editors (2005–present), “tywyll”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “tywyll”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies