demesne
noun
[ dɪˈmeɪn ]
• a piece of land attached to a manor and retained by the owner for their own use.
• "because labour was cheap, there were ample advantages in cultivating the demesne"
• possession of real property in one's own right.
Origin:
Middle English: from Old French demeine (later Anglo-Norman French demesne ) ‘belonging to a lord’, from Latin dominicus, from dominus ‘lord, master’. Compare with domain.