ăbortĭo, ōnis, f. [aborior],
premature delivery , miscarriage , Plaut. Truc. 1, 2, 98; Cic. Clu. 12; Dig. 48, 19, 38, § 5.
abortiō ōnis, f the procuring of an untimely birth, abortion: merces abortionis. ...
An Elementary Latin Dictionary