noun Date: 1871 an increase in the value of property (as land) that is due to no labor or expenditure of the owner but to causes (as the increase of population) that create an increased demand for it
UNEARNED INCREMENT
Meaning of UNEARNED INCREMENT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012