Parfleche n. A kind of rawhide consisting of hide, esp. of the buffalo, which has been soaked in crude wood-ash lye to remove the hairs, and then dried.
... "The Sioux had parfleche soles to all their moccasins," said John, wisely. "All the buffalo and Plains Indians did. The forest Indians had ... — The Young Alaskans on the Missouri • Emerson Hough