cylchyn

== Welsh == === Etymology === Inherited from Middle Welsh kylchyn. By surface analysis, cylch (“circle”) +‎ -yn (diminutive suffix). === Noun === cylchyn m (plural cylchynnau or cylchynau) small circle, hoop ==== Derived terms ==== cylchyn hwla (“hula hoop”) cylchynu (“to encircle, to besiege”) === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “cylchyn”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “cylchyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies