I.lastingness, continuance, perpetual duration, perpetuity (class.): “fontium perennitates,” Cic. N. D. 2, 39, 98: “cibi,” constant food, Plaut. Pers. 3, 1, 2: “perennitatem conditis frumentis afferunt,” Col. 1, 6, 10: “vitae,” Ambros. in Psa. 118, Serm. 13, 22: Perennitas, a title of the Roman emperors: “vestra,” your perpetuity, your perennity, Symm. Ep. 10, 45; Sex. Ruf. Brev. 2.
pĕrennĭtas , ātis, f. id.,