Mater | Webster's Dictionary of the English Language

mater
māter, tris, f. [root ma-; Sanscr. and Zend, to make, measure, like Gr. μήτηρ, the maker, akin with ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
mater
māter (1) tris, f 2 MA-, a mother : pietas in matrem: quae matre Asteriā est, daughter of Asteria...

An Elementary Latin Dictionary