llysiau'r Drindod

== Welsh == === Etymology === Literally, “herbs of the Trinity”. === Noun === llysiau'r Drindod (plural, singular llysieuyn y Drindod m) herb Trinity, wild pansies, heartsease (Viola tricolor) Synonym: trilliwiau field violets (Viola arvensis) Synonym: trilliwiau'r tir âr sweet violets (Viola odorata) Synonym: fioledau pêr === Mutation === === Further reading === Cymdeithas Edward Llwyd (2016), “Y Bywiadur”, in Llên natur‎[1], retrieved 25 May 2025 R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “llysiaur Drindod”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies