"North African, Berber," late 14c., from Old French More, from Medieval Latin Morus, from Latin Maurus "inhabitant of Mauritania" (northwest Africa, a region now corresponding to northern Algeria and Morocco), from Greek Mauros, perhaps a native name, or else cognate with mauros "black" (but this adjective only appears in late Greek and may as well be from the people's name as the reverse). Being a dark people in relation to Europeans, their name in the Middle Ages was a synonym for "Negro;" later (16c.-17c.) used indiscriminately of Muslims (Persians, Arabs, etc.) but especially those in India.