latifundium
noun
lat·i·fun·di·um ˌla-tə-ˈfən-dē-əm 
plural latifundia ˌla-tə-ˈfən-dē-ə
: a great landed estate with primitive agriculture and labor often in a state of partial servitude
Word History
Etymology
Latin, from latus wide + fundus piece of landed property, foundation, bottom — more at bottom
First Known Use
1869, in the meaning defined above