Sardous
Could not find Sardoa in Logeion dictionaries.
Sardoa Proper-name adjective: neuter nominative plural, Proper-name adjective: neuter vocative plural, Proper-name adjective: feminine nominative singular, Proper-name adjective: feminine ablative singular, Proper-name adjective: feminine vocative singular, Proper-name adjective: neuter accusative plural of Sardous
Sardōus, a, um, v. Sardi, B.
Sardōus, a, um, s. 2. Sardī.
Sardōus, (16) a, um (Σαρδῷος), de Sardaigne : Ov. F. 4, 289 ; Plin. 3, 75 ; Sardous cæspes Rutil. Red. 1, 354, minerai de fer de Sardaigne.