ἰοίην

From LSJ

καὶ ποταμοὺς τινας διαβάντες ἐν μεγίστῃ παρεγινόμεθα κώμῃ → and having crossed some rivers we reached a very large village

Source

French (Bailly abrégé)

1ᵉ sg. att. opt. prés. de εἶμι.