Nigris
Found nigris with different capitalization.
nigris feminine ablative plural, feminine dative plural, masculine dative plural, masculine ablative plural, neuter dative plural, neuter ablative plural of niger
Nī̆gris, is (Nī̆gir, Vitr. 8, 2, 6; Nī̆-ger, Mart. Cap. 6, § 673), m.,
- a river in the interior of Africa, now the Joliba or Niger, Plin. 5, 4, 4, § 30; 8, 21, 32, § 77.— Hence, Nī̆grītae, ārum, m., the people living near the Niger, Mel. 1, 4, 3; 3, 10, 4; Plin. 5, 8, 8, § 43.
Nĭgris, is, m. , le Nigris ou Niger [fleuve de la Libye Centrale] : Plin. 5, 30 ; 5, 44 || source du Nil : Plin. 8, 77.