agriculture (n.) Look up agriculture at Dictionary.com
mid-15c., "tillage, cultivation of large areas of land to provide food," from Late Latin agricultura "cultivation of the land," a contraction 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.