faeneraticius

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

faenĕrātĭcĭus (less correctly fēn-, foen-, -tius), a, um, adj. [faeneror],

of or relating to interest (law Lat.): cautio, instrumentum, Cod. Just. 4, 30, 14.