Hickory

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late 17th century: abbreviation of pohickery, the local Virginian name, from Algonquian pawcohiccora .

wiktionary

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A shortening of pockerchicory/ pokickery/pohickery, [1] from an Algonquian language, probably Ojibwe/Algonquin pawcohiccora.

etymonline

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hickory (n.)

type of North American tree valued for its edible nuts and tough, flexible wood, 1670s, American English, from Algonquian (perhaps Powhatan), shortening of pockerchicory, pocohicora or a similar word, which is sometimes said to be the name for this species of walnut, but Bright calls it "a milky drink made from hickory nuts." Old Hickory as the nickname of U.S. politician Andrew Jackson is recorded from 1815.