llyriad yr ais

== Welsh == === Etymology === Literally, “plantain of the ribs”. === Noun === llyriad yr ais m (plural llyriaid yr ais) ribwort, ribgrass, narrowleaf plantain (Plantago lanceolata) ==== Synonyms ==== === Mutation === === Further reading === Cymdeithas Edward Llwyd (2016), “Y Bywiadur”, in Llên natur‎[1], retrieved 15 July 2025