gwneud dŵr

== Welsh == === Etymology === Literally, “to make water”. === Verb === gwneud dŵr (first-person singular present gwnaf dŵr) (euphemistic) to make water, to urinate ==== Synonyms ==== taflu dŵr troethi piso === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwneud dŵr”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies