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arrowrootyoudaoicibaDictYouDict[arrowroot 词源字典]
arrowroot: [17] Arrowroot, a tropical American plant with starchy tubers, gets its name by folk etymology, the process whereby an unfamiliar foreign word is reformulated along lines more accessible to the speakers of a language. In this case the word in question was aru-aru, the term used by the Arawak Indians of South America for the plant (meaning literally ‘meal of meals’). English-speakers adapted this to arrowroot because the root of the plant was used by the Indians to heal wounds caused by poisoned arrows.
[arrowroot etymology, arrowroot origin, 英语词源]
arrowroot (n.)youdaoicibaDictYouDict
1690s, from arrow + root (n.). So called because it was used to absorb toxins from poison-dart wounds.