Ἐνῦώ

From LSJ

οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well

Source

English (Autenrieth)

Enȳo (Bellōna), battle personified, a companion of Ares, Il. 5.333, 592.