elementarius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ĕlĕmentārĭus, a, um, adj. [elementum, II.],

belonging to the elements or rudiments , elementary (post-Aug. and very rare): senex, an old schoolmaster , Sen. Ep. 36: litterae, elementary knowledge , Capitol. Pert. 1.