rhawn-y-march coediog

== Welsh == === Etymology === rhawn y march (“horsetails”) + coediog (“relating to woods or forests”). === Noun === rhawn-y-march coediog m (plural rhoniau'r-meirch coediog) wood horsetail (Equisetum sylvaticum) ==== Synonyms ==== marchrawnen y coed === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 16 May 2025.