occisio
From LSJ
μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
Latin > English (Lewis & Short)
occīsĭo: ōnis, f. 1. occīdo,
I a massacre, slaughter, murder (class. but rare, except in eccl. Lat.; sometimes interchanged in the MSS. with occidio): si caedes et occisio facta non erit, Cic. Caecin. 14, 41: parentis, id. Inv. 1, 26, 37; App. M. 6, p. 184; Aur. Vict. Vir. Ill. 14: aestimati sumus sicut oves occisionis, Vulg. Psa. 43, 21: gladium ad occisionem, id. Jer. 15, 3.