ἕσται

From LSJ

ταυτὶ γὰρ συκοφαντεῖσθαι τὸν Ἕκτορα ὑπὸ τοῦ Ὁμήρου → that is a false charge brought against Hector by Homer

Source

French (Bailly abrégé)

3ᵉ sg. pf. Pass. poét. de ἕννυμι.