aevĭtas — Lewis & Short
aevĭtas, ātis, f.aevum (an old word, = aetas, which is contr. from it),
censores populi aevitates, suboles, familias pecuniasque censento,Cic. Leg. 3, 7: SI MORBVS AEVITASVE VITIVM ESCIT, Leg. XII. Tab. ap. Gell. 20, 1, 25; Arn. 5, 8.—
sed etiam mortales deos ad aevitatem temporis edidit,for endless ages, to endure forever, App. Dogm. Plat. 1, 120.—
quid operis aut negotii celebrans anteacti temporis decurrerit aevitatem,the time of yore, Arn. 2, 22.