Paccan

… to send him some paccan nuts. … Jefferson in his reply wrote: "The Paccan nut is, as you conjecture the Illinois nut, ..., and enters into the Botanical name with is Juglans Paccan"

A creamy liquid called powcohicoria or "hickory milk" was prepared by the Algonquins: paccan kernels were pounded into small pieces, cast into boiling water, strained and stirred.