cythreuligrwydd

== Welsh == === Etymology === From cythreulig (“devilish”) +‎ -rwydd. === Pronunciation === (North Wales) IPA(key): /kəθreɨ̯ˈlɪɡrʊɨ̯ð/ (South Wales) IPA(key): /kəθrei̯ˈlɪɡrʊi̯ð/ === Noun === cythreuligrwydd m devilry, fiendishness Synonyms: cythreuldeb, diawledigrwydd === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “cythreuligrwydd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies