successōrĭus

I. of or belonging to succession, successory (post-class.; esp. freq. in jurid. Lat.): de successorio edicto, Dig. 38, 9, 1 pr.: ex successorio capite, ib. 22, 6, 1, § 3: successorio jure aliquid tenere, Amm. 14, 8, 5.