Pecan
来自Big Physics
late 18th century: from French pacane, from Illinois (a North American Indian language).
wiktionary
Borrowed from French pacane and at first spelt paccan. The French word derives from an Algonquian word, [1] perhaps Miami (Illinois) pakani. Compare Cree pakan(“hard nut”), Ojibwe bagaan, Abenaki pagann, bagôn, pagôn(“nut; walnut, hazelnut”).
etymonline
pecan (n.)
1712, paccan "the North American pecan tree," or a related hickory, from French pacane, from an Algonquian word meaning "nut" (compare Cree pakan "hard-shelled nut," Ojibwa bagaan, Abenaki pagann, Fox /paka:ni/).