τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
ἑσσάομαι: ἡσσάομαι, ἡττῶμαι, καὶ γὰρ ἑσσῶμαι κἠγὼ Ἡρώνδ. Μιμίαμβ. 8. 19.
