rhiain y pinwydd

== Welsh == === Etymology === Calque of English pine beauty. Literally, “maiden of the pines”. === Noun === rhiain y pinwydd f (plural rhianedd y pinwydd) pine beauty moth (Panolis flammea) === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 23 February 2025