augŭrĭus, a, um, adj. [augur],
of or pertaining to the augur , augural (very rare): jus augurium, Cic. Sen. 4, 12; id. Fam. 3, 9, 3; Gell. praef. § 13.
augurius adj. augur, of an augur, of the profession of augur : ius. ...
An Elementary Latin Dictionary