prŏpĕrātĭo, ōnis, f. [propero],
a hastening , haste , quickness , speediness (rare but class.), Cic. Fam. 5, 12, 2; Q. Cic. ap. Cic. Fam. 16, 27, 1: properationem explorare, Sall. H. 2, 50 Dietsch; Amm. 31, 5, 9.
properātiō ōnis, f propero, a hastening, haste : mea. ...
An Elementary Latin Dictionary