S / spectĭo
noun

spectĭo

gen. spectōnis · gender feminine · decl. 3rd
specio, in the lang. of augurs
an observing of the auspices;; the right of observing them
an observing of the auspices; hence, also, the right of observing them (which belonged to the magistrates), Varr. L. L. 6, § 82 Müll.; Cic. Phil. 2, 32, 81; Fest. s. h. v. p. 333.