ὡς ἀξιώτατον
From LSJ
οὐκ ἐπιθυμήσεις τὴν γυναῖκα τοῦ πλησίον σου → thou shalt not covet thy neighbor's wife, thou shalt not covet thy neighbour's wife, you shall not covet your neighbor's wife, you shall not covet your neighbour's wife
Greek > English (Woodhouse)
at the cheapest possible rate, at the most reasonable price possible