útilmente
From LSJ
τῶν Λειβηθρίων ἀμουσότερος → more uncultured than Leibethrans, more uncultured than the people of Leibethra, lowest degree of mental cultivation
Spanish > Greek
συμφόρως, χρησίμως, ὠφελίμως, συμφερόντως, λυσιτελούντως, εὐχρήστως, προὔργου, χρηστικῶς, ἐπιτηδείως