"Merrow (from Irish mur\u00FAch, Middle Irish murd\u00FAchann or murd\u00FAchu) is an Irish-English term for a mermaid or merman.The word appears in two tales set in Ireland published in the 19th century. In Lady of Gollerus, a green-haired beautiful merrow is forced to wed a local Kerry man who deprives her of the \"magical cap\" (cohuleen druith)."@en . . .