τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
ἐναντίον, ἀντιπαρεξάγω, ἀντιπνέω, ἀντιβίην, ἀντίβιον, ἀντικρύ, ἄντικρυς