rhwymyn

== Welsh == === Etymology === From rhwym +‎ -yn. === Noun === rhwymyn m (plural rhwymynnau) band, ribbon, tie bandage, dressing === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhwymyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies