ἰξεύτρια
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)
ἡ, fem. of ἰξευτήρ, epith. of Τύχη, Plu.2.322f:—written ἰξευτηρία, ib.281e (s.v.l.).