agriculture (n.)youdaoicibaDictYouDict[agriculture 词源字典]
mid-15c., from Late Latin agricultura "cultivation of the land," compound of agri cultura "cultivation of land," from agri, genitive of ager "a field" (see acre) + cultura "cultivation" (see culture (n.)). In Old English, the idea could be expressed by eorðtilþ.[agriculture etymology, agriculture origin, 英语词源]