troellig

== Welsh == === Etymology === troell (“wheel”) +‎ -ig. === Noun === troellig f (plural troelligau) diminutive of troell (“wheel”) spurry (Spergula spp.) ==== Derived terms ==== troellig yr ŷd (“corn spurry”) === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 15 June 2025. R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “troellig”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies