προμήτωρ
From LSJ
διαπασῶν, διατεσσάρων, διαπέντε → through all, through four, through five (Pythagorean musical terms)
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.).