What is the route taken by a party of Indians going on a warlike expedition. Schoolcraft. On the warpath, on a hostile expedition; hence, colloquially, about to attack a person or measure called?

warpath — The route taken by a party of Indians going on a warlike expedition. Schoolcraft. On the warpath, on a hostile expedition; hence, colloquially, about to attack a person or measure. (Webster's 1913.)