ἄρειας

From LSJ

Ἐπηγγείλατο εἰς ἐπανόρθωσιν τῆς πόλεως διὰ τὸ εἶναι ευσεβεστάτη καὶ κηδεμονικὴ. → She pledged herself to the reconstruction of the city because of her being most pious and dutiful.

Source

French (Bailly abrégé)

2ᵉ sg. opt. ao. de αἴρω.