carotene (n.)youdaoicibaDictYouDict[carotene 词源字典]
hydrocarbon found in carrots and other plants, 1861, from German carotin, coined 1831 by German chemist H.W.F. Wackenroder (1789-1854) from Latin carota "carrot" (see carrot) + German form of chemical suffix -ine (2), denoting a hydrocarbon.[carotene etymology, carotene origin, 英语词源]