τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
ἐμπριόεις, δριμύς, ἐμπρίω, ἐνδάκνω, δηκτικός, ἐκκαυστικός, δηξίθυμος