A "lien" is a legal right or interest that a lender has in someone else's property, granted until a debt owed by the property owner is satisfied. It acts as a form of security for the lender, ensuring that they can take ownership of the property if the borrower fails to repay the loan.
The word "lien" comes from the Middle English term "liene," which is derived from the Old French "lier," meaning "to bind." This reflects the idea that a lien binds the property to the obligation of the debt.