perniger
Could not find pernigris in Logeion dictionaries.
pernigris Adjective: neuter dative plural, Adjective: feminine ablative plural, Adjective: feminine dative plural, Adjective: masculine dative plural, Adjective: masculine ablative plural, Adjective: neuter ablative plural of perniger
per-nĭger, gra, grum, adj.,
- very black: oculis pernigris, Plaut. Poen. 5, 2, 153 (1113).
per-niger, gra, grum, ganz schwarz, oculi, Plaut. Poen. 1113.
pernĭgĕr, nĭgra, nĭgrum, très noir : Pl. Pœn. 1113.