rhwyddlwyn dail eiddew

== Welsh == === Etymology === Literally “ivy-leaved speedwell”. === Noun === rhwyddlwyn dail eiddew m ivy-leaved speedwell (Veronica hederifolia) ==== Synonyms ==== rhwyddlwyn eiddewddail === 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 dail eiddew”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies