τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
persĕquens: entis, Part. and P. a., from persequor.
persĕquēns,¹⁶ tis, part. prés. de persequor