I.v dep [gradior], to go or walk around, travel about (esp. in a hostile manner; post-Aug., several times in Tac, elsewhere rare).
(β).
With acc.: exercitum, * Sall. H. 4, 61, 21 Dietsch: “terga,” Tac. A. 2, 25' Syriam, Aur Vict. Caes. 21' lacunam, Amm. 16, 12, 59.