τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
-ας, ἡmuelle, atracaderode un canal καὶ ἀπὸ ἀναβατηρίας μέχρι οἰκίας Θέωνος POsl.111.127 (III a.C.).