irreparabilis

Etymology
From Classical Latin inreparabilis (in-, "not" + reparābilis, "retrievable, reparable, repairable"), via assimilation.

Adjective

 * 1) irreparable, irrecoverable (concerning loss or damage), irretrievable
 * 2) * c. 29 ,, , III.284
 * But it flees, meanwhile, it flees... irretrievable time.
 * But it flees, meanwhile, it flees... irretrievable time.