κεστροφυλακέω
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
Greek (Liddell-Scott)
κεστροφυλακέω: εἰμὶ κεστροφύλαξ, φυλάττω τοὺς κέστρους, Ἐπιγρ. Ἀθηνῶν, CIA, ΙΙΙ. 735, 736.