Sais, A citie in Aegipt, where is one of the entries into the ryuer of Nylus: the entrie or porte is called Saiticum.
Lewis and Short: Latin dictionary
Săïs, is, f., = *sa/i(s,the capital of Lower Egypt, now Sa el-Hajar, Mel. 1, 9, 9; Plin. 5, 10, 11, 64.—Hence, A. Săītes, ae, adj., = *sai(ths,of or belonging to Sais, Saitic: (nomos), Plin. 5, 9, 9, 49.—In plur. subst.: Săītae, ārum, m., the inhabitants of Sais, Cic. N. D. 3, 23, 59.—B. Săĭtĭcus, a, um, adj., of Sais, Saitic: (charta), Plin. 13, 12, 23, 76.