-iaeth

== Welsh == === Alternative forms === -aeth === Etymology === From Proto-Brythonic *-aɨθ, from Insular Celtic *-axtā, suffixal use of Proto-Celtic *axtā. Cognate with Cornish -ieth. === Pronunciation === (North Wales, standard, colloquial) IPA(key): /jaɨ̯θ/ (North Wales, colloquial) IPA(key): /jɛθ/, /jaθ/ (South Wales, standard) IPA(key): /jai̯θ/ (South Wales, colloquial) IPA(key): /jɛθ/ === Suffix === -iaeth f (plural -iaethau) Forms abstract nouns. ‎arwr (“hero”) + ‎-iaeth → ‎arwriaeth (“heroism”) ‎deintydd (“dentist”) + ‎-iaeth → ‎deintyddiaeth (“dentistry”) ‎cydnabod (“recognise, acknowledge”) + ‎-iaeth → ‎cydnabyddiaeth (“recognition, acknowledgement”) ‎trin (“to treat”) + ‎-iaeth → ‎triniaeth (“treatment”) territory controlled by, -ship, -age, -y, -dom ‎barwn (“baron”) + ‎-iaeth → ‎barwniaeth (“baronage, barony”) ==== Usage notes ==== With names of leaders, -iaeth can be both concrete and abstract, for instance barwniaeth (“baronage, barony”) is both the rank of being a baron and the territory controlled by one. Most nouns in -iaeth are feminine. Common exceptions are gwahaniaeth (“difference”) and lluniaeth (“refreshments”). ==== Derived terms ==== === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “-iaeth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies