fermentarius

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

fermentārĭus, a, um, adj. [fermentum],

pertaining to fermentation : panis, i. e. leavened , Isid. Orig. 20, 2, 15 (al. fermentacius, for the more usual fermentatus panis, v. fermento).