Opera di riferimento: Il registro di San Pietro di Sorres

Cussu, pron. e agg. dimostrativo, m. sing., quello, costui < ECCU(I)PSU: 31.2; 44.1; 75.3; 76.1,3; 87.2; 94.1; 95.1,2; 99.3; 102.2; 124.4; 125.2; 131.1; 139.3,4; 141.3,4; 150.3; 152.2(2v.); 153.2; 155.3; 164.3; 175.1,2(2v.); 178.1,2; 183.2,3; 185.3; 186.2,3; 204.3; 221.3(2v.); 225.4; 235.4; 237.3; 240.2,3(3v.); 253.5; 261.3; 262.1; 264.4; 265.1; 270.4(2v.); 271.1; 288,2,3(2v.); 308.3; 314.1; 316.4; 345.3; 346.1; 351.2,3(3v.); 352.4; 359.4; cusu: 235.4; 339.3; cusy: 119.2; chusu: 263.4,5; icuse: 81.5; icussu: 75.2,3,4; 99.3(2v.); 210.2; 226.2,4; icusse: 231.3; 253.4; ichussu: 84.1; 229.2; cussa: f. sing., 35.2; 63.2; 75.2,3; 76.1; 83.3; 86.4; 90.3; 108.2; 128.3; 145.2(3v.),3; 150.2; 155.3(3v.); 157.2(3v.); 164.2,3(2v.); 165.2(2v.),3; 174.1,2; 175.1,2; 176.1; 178.2(2v.); 180.4; 185.2; 186.1,3(2v.); 200.2; 203.2,3; 209.2; 212.1; 226.3,4; 227.2; 228.2,3(2v.); 229.3; 237.3; 240.4; 265.2; 268.1; 270.2; 289.2; 297.3; 305.3; 314.3,4; 316.4; 359.3; cusa: 4.4,11; 23.3; 333.3; 359.9; chusa: 263.5; chussa: 82.2; 163.2; icussa: 189.3; 228.2; 316.3; cussos: m. pl., 23.3; 87.2; 128.6; 130.1; 168.3; 180.1(2v.),2(3v.),3(2v.),4(2v.); 183.1(2v.); 203.2; 223.3; 231.3; 233.3; 253.7; 270.1; 293,3; 302.2; 314.1; 333.1; 345.3; cusos, 8.3; 110.2; chussos: 82.2; 323.3; chusos: 44.1; 263.5; 324.3; icussos, 76.3; 165.3; 178.2; 189.2; 223.2; icusos: 165.2; cussas: f. pl., 63.2; 75.4; 125.3; 132.1; 175.2; 180.4;189.1,2,3; 208.2; 225.5; 233.3; 237.1; 264.4(3v.); 323.3; 355.4; cusas: 128.3; 288,3; chusas: 163,3; icussas: 223.3; 157.2; icusas: 292.1.