Irreparabilis, & hoc irreparabile, pe. cor. That cannot bee repaired or restored to the first stare.Irreparabile cempus.Virg.Time that cannot be recouered or gotten againe.
Lewis and Short: Latin dictionary
irrĕpărābĭlis (inr-), adj. [2. in-reparabilis], irreparable, irrecoverable, irretrievable (poet. and in post-Aug. prose): tempus, Verg. G. 3, 284; id. A. 10, 467: vita, Sen. Ep. 123, 10: fuga temporis, Col. 11, 1, 29.