bimatris
From LSJ
Latin > English (Lewis & Short)
bĭmātris: e, adj. bis - mater,
I having two mothers, poet. epithet of Bacchus (v. Bacchus init.): satumque iterum solumque bimatrem, Ov. M. 4, 12; Hyg. Fab. 167; Anthol. Lat. 1, 19, 2 (where it is scanned bīmăter).
Latin > English
bimatris bimatris, bimatre ADJ :: having two mothers; twice born (of Bacchus)