ὀρθόπους
From LSJ
χρώμεθα γὰρ πολιτείᾳ οὐ ζηλούσῃ τοὺς τῶν πέλας νόμους → we live under a form of government which does not emulate the institutions of our neighbours
English (LSJ)
ὁ, ἡ, πουν, τό, gen. ποδος,
A upright on their feet, ὀ. βαίνοντες ἄνις . . τιθήνης Nic.Al.419. II steep, ὀρθόποδος ὑπὲρ πάγου S.Ant.985 (lyr.); cf. ὄρθιος 1, Ὀρθόπαγον.