Prosper

From LSJ

οὐκ ἐπ' ἄρτῳ μόνῳ ζήσεται ἄνθρωπος → man will not live by bread alone (Matthew 4:4, Luke 4:4)

Source

Latin > French (Gaffiot 2016)

(2) Prospĕr, ĕrī, m., nom d’h. : Inscr.