Lewis & Short

asprĭtūdo (asperĭtūdo, App. M. 1, p. 103, 20), ĭnis, f. [asper], roughness: modo circa totum corpus partemve aspritudo quaedam fit, Cels. 5, 28, 15: aspritudo oculorum, id. 6, 6, 26; 7, 7, 15 Daremb. al.