is-etholiad

== Welsh == === Alternative forms === isetholiad (preferred spelling in y Geiriadur Prifysgol Cymru) === Etymology === From is- (“sub-”) +‎ etholiad (“election”). === Pronunciation === IPA(key): /ɪsɛˈθɔljad/ Rhymes: -ɔljad === Noun === is-etholiad m (plural is-etholiadau) by-election ==== Synonyms ==== etholiad achlysurol === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “is-etholiad”, in Gweiadur: the Welsh–English Dictionary, Gwerin