clarigo

clārĭgo, no perf., ātum, 1, v.n. [clarus]; t. t. of the Fetiales, to proclaim war against an enemy with certain religious ceremonies (cf. Liv. 1, 32, 5 sq.; Serv. ad Verg. A. 9, 53; 10, 14; Dict. of Antiq.); Plin. 22, 2, 3, § 5; cf. clarigatio, and Lachm. ad Lucr. 5, 947.