gwrth-

== Welsh == === Etymology === From Proto-Celtic *writ-. Cognate with Welsh wrth, Cornish gorth-, Irish frith-, Scottish Gaelic ri and Latin versus (“against”). === Pronunciation === IPA(key): /ɡʊrθ/ === Prefix === gwrth- against, anti-, contra-, counter- ‎gwrth- + ‎taro (“to hit, to strike”) → ‎gwrthdaro (“to clash, to collide”) ‎gwrth- + ‎tystio (“to witness”) → ‎gwrthdystio (“to protest”) ‎gwrth- + ‎plaid (“(political) party”) → ‎gwrthblaid (“opposition party”) ‎gwrth- + ‎llwydni (“mildew”) → ‎gwrthlwydni (“mildew resistant”) ‎gwrth- + ‎biotig (“biotic”) → ‎gwrthfiotig (“antibiotic”) ‎gwrth- + ‎ystyr (“meaning”) → ‎gwrthystyr (“antonym”) ==== Derived terms ==== ==== Related terms ==== wrth === Mutation === === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwrth-”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies