arwerthiant

== Welsh == === Etymology === From arwerthu (“to auction”) +‎ -iant. === Pronunciation === IPA(key): /arˈwɛrθjant/ === Noun === arwerthiant m (plural arwerthiannau) auction, sale Synonyms: ocsiwn, sêl === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “arwerthiant”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies