Note 18 — Chapter VI · The Folklore of the Wells

The names in these lines present great difficulties: first comes that of Mererid, which is no other word than Margarita, ‘a pearl,’ borrowed; but what does it here mean? Margarita, besides meaning a pearl, was used in Welsh, e.g. under the form Marereda18, as the proper name written in English Margaret. That is probably how it is to be taken here, namely, as the name given to the negligent guardian of the fairy well. It cannot very well be, however, the name belonging to the original form of the legend; and we have the somewhat parallel case of Ffynnon Grassi, or Grace’s Well; but what old Celtic name that of Mererid has replaced in the story, I cannot say. In the next place, nobody has been able to identify Caer Kenedyr, and I have nothing to say as to Mor Maurhidic, except that a person of that name is mentioned in another of the Englynion of the Graves. It runs thus in the Black Book, fol. 33a:—