παράπτωσις
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (LSJ)
εως, ἡ,
A falling beside, lying side by side, Arist.GA718a28. II falling from the right way, π. τοῦ καθήκοντος Plb.15.23.5 : abs., = παράπτωμα 1, Id.16.20.5, LXX Je.22.21, Phld.Lib.p.17 O.; grammatical mistake, S.E.M.1.210. III ἡ τοῦ τόπου π. the situation of a place off the road, Plb.4.32.5. IV κατὰ <τὴν> τοῦ διώγματος π. in the course of... Id.11.17.3 ; κατὰ τὴν ἐπὶ τοὺς κελτοὺς π. as they were pursuing, Id.3.115.11.
