ἀνακράκτης
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)
Greek (Liddell-Scott)
ἀνακράκτης: ὁ, ὁ ἀνακράζων, λέξ. μεταγ.
