What is "melangell"

Saint Melangell, was a Welsh virgin, , whose Feast Day is celebrated, and originally established on May 27, 590. The daughter of an Irish king, she went to Powys, in central Wales, to become a hermitess. Brochwel Ysgithrog, the prince of Powys, granted her land after meeting her on a hunting trip, and she founded a community of women, serving as abbess for thirty-seven years. Her shrine remains at Saint Melangell's Church, Pennant Melangell.