διϊκανοδοτέω
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
Spanish (DGE)
dar garantías, avalar c. dos dat. ὁ δημοσιώνης ... ἀναδόχοις καὶ ἐνγαίοις τῷ δήμῳ διικανοδοτείτω SEG 39.1180.124, cf. 102 (Éfeso I d.C.).