προμήτωρ
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)
Dor. προμάτωρ, ορος, ἡ,
A first mother of a race, A.Th. 140 (lyr.), E.Ph.676 (lyr.), 828 (lyr.), Luc.Am.19. II masc., maternal grandfather, Hsch. III epith. of Athena, prob. in Them.Or.13.180a (voc. πρόματερ codd.).
German (Pape)
[Seite 734] ορος, ἡ, Vormutter, Stammmutter, Eur. Phoen. 681 u. Sp. S. προμάτωρ.