usefully
From LSJ
ὁδὸς ἄνω κάτω μία καὶ ὡυτή → the road up and the road down is one and the same, the upward path and the downward path are the same
English > Greek (Woodhouse)
adverb
P. and V. προὔργου, P. συμφόρως, χρησίμως, ὠφελίμως, συμφερόντως, λυσιτελούντως, εὐχρήστως, προὔργου, χρηστικῶς, ἐπιτηδείως.