cyplysnod

== Welsh == === Etymology === From cyplysu (“to couple”) +‎ nod (“mark”). === Pronunciation === IPA(key): /kəpˈləsnɔd/ === Noun === cyplysnod m (plural cyplysnodau) hyphen Synonyms: cysylltnod, heiffen === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “cyplysnod”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies