n. pl. a pair of coverings for the legs, usually made of dressed skins and often reaching from ankles to hips, where they are fastened to a belt, originally used by the Indians.
1764  (1901)  . . . a pair of leggings . . . of scarlet cloth, which with the ribbon to garnish them fashionably, cost me fifteen pounds of beaver. . . .
1820  (1922)  They [Takullies] seldom use either leggins or shoes, in the summer.
1893  [The Métis'] moccasined feet and brilliant-colored scarf-belt, beaded cap, fire-bag and leggins, and distinct Indian face seemed to so ally him to the native tribes that too many never for a moment thought he could have any grievances to be redressed.
1954  Every pork-eater appeared in a clean shirt and with his brightest hand-woven sash about his waist; northmen [appeared] in new buckskin short shirts and leggings.