curtilage
Concise Oxford English Dictionary © 2008 Oxford University Press:
curtilage /ˈkəːt(ɪ)lɪdʒ/
▶noun an area of land attached to a house and forming one enclosure with it.
– origin ME: from Anglo-Norman Fr., var. of OFr. courtillage, from courtil ‘small court’, from cort ‘court’.
'curtilage' also found in these Oxford entries:

