rhwyddlwyn eiddewddail

== Welsh == === Etymology === Literally “ivy-leaved speedwell”. === Noun === rhwyddlwyn eiddewddail m ivy-leaved speedwell (Veronica hederifolia) ==== Synonyms ==== rhwyddlwyn dail eiddew === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 4 February 2025 R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhwyddlwyn eiddewddail”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies