ἐναρμόνιον
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
Russian (Dvoretsky)
ἐναρμόνιον: I adv. стройно (μελῳδεῖν Luc.).
II τό энгармоническая гамма Plut.