As the word suggests equity stands for freedom from bias. However, equity in economics terms is tells money value of a property in excess of claims or liens against it.
Origin
The term “equity” originates from equity law– system of law originating in the English chancery and comprising a settled and formal body of doctrines that supplement statute law and are designed to enforce duties fixed by substantive law to meet the never ending demands of commercial venture.
Equity in finance
In finance, equity is ownership of assets that may have debts attached to them. It is measured for accounting purposes by subtracting liabilities from the value of an asset.