agnaticius

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

agnātīcĭus (adg-) or -tĭus, a, um, adj. [agnatus],

pertaining to the agnati: jus, the right of the agnati to enter upon an inheritance , Cod. Just. 6, 58, 15, § 3.