Ancient and Modern Britons. pg 44.

MOOR, noun [Gr. dark, obscure.] A native of the northern coast of Africa, called by the Romans from the color of the people, Mauritania, the country of dark-complexioned people. The same country is now called Morocco, Tunis, Algiers, etc
— Websters Dictonary
SWARTH’Y, adjective. Being of a dark hue or dusky complexion; tawny. In warm climates, the complexion of men is universally swarthy or black. The Moors, Spaniards and Italians are more swarthy than the French, Germans and English.

1. Black; as the swarthy African
— Websters Dictonary