paladr trwyddo deilgrwn

== Welsh == === Etymology === Literally, “round-leaved Bupleurum”. === Noun === paladr trwyddo deilgrwn m (plural pelydr trwyddo deilgrwn) thorowax, thoroughwax (Bupleurum rotundifolium) Synonym: paladr trwyddo ==== Derived terms ==== ffug baladr-trwyddo-deilgrwn (“false thoroughwax (Bupleurum subovatum)”) === Mutation === === Further reading === Cymdeithas Edward Llwyd (2016), “Y Bywiadur”, in Llên natur‎[1], retrieved 26 October 2025.