desertio

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

dēsertĭo, ōnis, f. [2. desero],

a forsaking, deserting (rare; perh. not ante-Aug.).— Milit. t. t. (acc. to 2. desero, no. I. B.), desertion : peccatum desertionis, Dig. 49, 16, 3, § 6; 5, § 2 al.