ἐπιμηνάω
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
English (LSJ)
3pl. pf. -μεμηνάκαντι, = ἐπιμεμενήκασι, they have been content to wait, Schwyzer91.11 (Argos, iii B.C.).