application to "landed property" (usually of large extent) is first recorded in Amer.Eng. 1620s. A native word for this was M.E. ethel (O.E. æðel) "ancestral land or estate, patrimony." Meaning "collective assets of a dead person or debtor" is from 1830. The three estates (in Sweden and Aragon, four) conceived as orders in the body politic date from late 14c. In France, they are the clergy, nobles, and townsmen; in England, originally the clergy, barons, and commons, later Lords Spiritual, Lords Temporal, and commons. For Fourth Estate see
four.