τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
lēgĭtĭmē: adv., v. legitimus.
lēgĭtĭmē¹³ (legitimus), conformément aux lois, légalement, légitimement : Cic. Off. 1, 13 ; Cæc. 57 ; Juv. 10, 338