πλέομεν δ' ἐπὶ οἴνοπα πόντον → we're sailing upon the wine-dark sea
crase poét. p. καὶ ἐχθές.
κἀχθές: in crasi = καὶ ἐχθές.
κἀχθές crasis voor καὶ ἐχθές.