intrépido
From LSJ
ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
Spanish > Greek
ἀρείτολμος, ἀδείλανδρος, ἀδεής, ἄδειλος, ἄτρομος, ἀπτοίητος, ἀνέμπληκτος, ἀνέκπληκτος, ἀτρεής, ἄφοβος, ἐθελοκίνδυνος, ἀτάρβητος, ἀταρβής, ἀτάρμυκτος, ἀτρόμητος, ἀτάρβακτος, ἄτρεστος, ἀθαμβής, ἀφόβητος, ἐνάρετος