ἤπειρον εἰς ἄπειρον ἐκβάλλων πόδα → departing to the limitless mainland
Petro: ōnis, m. 1. petra,I a Roman surname, Suet. Vesp. 1.
(2) Pĕtrō,¹⁵ ōnis, m., T. Flavius Pétro, aïeul de Vespasien : Suet. Vesp. 1.