τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
chīlĭŏdynăma: ae, f. χίλιοι-δύναμις,I an unknown medicinal plant, thousand-virtues, = polemonia, q. v., Plin. 25, 6, 28, § 64.