μεταμέλεσθαι

From LSJ

ᾄδεις ὥσπερ εἰς Δῆλον πλέων → you sing as if you were sailing to Delos

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: μεταμέλομαι) be penitent, feel remorse

Lexicon Thucydideum

poenitere, to regret 4.27.2, 5.14.2, 5.35.4, 7.50.3, 8.92.10.