gwerthwr

== Welsh == === Etymology === From gwerthu (“to sell”) +‎ -wr (“-er”). === Pronunciation === IPA(key): /ˈɡwɛrθʊr/ === Noun === gwerthwr m (plural gwerthwyr) seller, salesperson === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwerthwr”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies