τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
-ας, ἁsúplica τοῦ ... δάμου ... τὰς θυσίας καὶ ἀφικετείας καὶ πομπὰς συντετελε κότος PP 42.1987.114 (Cos III/II a.C.).