ἀνελάττωτος
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)
ον,
A undiminished, Procl.in Alc.p.16C. Adv. -τως Id.Inst.27.