sweatshop (n.)youdaoicibaDictYouDict[sweatshop 词源字典]
also sweat-shop, 1892, from sweat (v.) + shop (n.). The verb sweat is attested from 1879 in the sense "employ (someone) in hard work for low wages," and compare sweater "one who exacts wages at very low prices" (1846).[sweatshop etymology, sweatshop origin, 英语词源]