ἐπορθρεύομαι

From LSJ

ἀναγκαίως δ' ἔχει βίον θερίζειν ὥστε κάρπιμον στάχυν, καὶ τὸν μὲν εἶναι, τὸν δὲ μή → But it is our inevitable lot to harvest life like a fruitful crop, for one of us to live, one not. (Euripides, Hypsipyle fr. 60.94ff.)

Source

French (Bailly abrégé)

se lever de grand matin, faire qch de grand matin.
Étymologie: ἐπί, ὄρθρος.