properantia

properantia ae, f

propero, a hastening, haste : ex tantā properantiā, S.: periculum ex properantiā, Ta.

properantia
prŏpĕrantĭa, ae, f. [propero], a hastening , haste (very rare; not in Cic. or Caes.): ex tantā pro...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.