- ergot (n.)
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[ergot 词源字典] - fungal disease of rye and other grasses, 1680s, from French ergot "ergot," also "a spur, the extremity of a dead branch," from Old French argot "cock's spur" (12c.), which is of unknown origin. The blight so called from the shape the fungus forms on the diseased grain. Related: Ergotic. An alkaloid from the fungus, ergotamine (1921) is used to treat migraines.[ergot etymology, ergot origin, 英语词源]