Original English country property (6)
I believe the answer is:
estate
'property' is the definition.
(I know that estate is a type of property)
'original english country' is the wordplay.
'original' says to take the initial letters.
'country' becomes 'state' (synonyms).
The first letter of 'english' is 'e'.
'e'+'state'='ESTATE'
(Other definitions for estate that I've seen before include "Property, holdings" , "Car with big luggage area" , "Total possessions" , "All money and property owned at time of death" , "Piece of land with a lot of houses" .)