iselbrisio

== Welsh == === Etymology === iselbris (“low price”) +‎ -io. === Verb === iselbrisio (first-person singular present iselbrisiaf) to undervalue, to underrate Synonyms: tanbrisio, isbrisio Antonyms: uwchbrisio, gorbrisio === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “iselbrisio”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies