ᾄδεις ὥσπερ εἰς Δῆλον πλέων → you sing as if you were sailing to Delos
εἰς, ἔνι, διέρχομαι, ἐντός, ἐν, ἔνδον, ἀναμεταξύ, ἀνά, διά, ἐνώπιος