A more thorough explanation:

Definition: Ancient rent is a type of rent that is reserved at the time a lease is made, if the estate was not under lease at that time. It is a historical term that refers to rent that has been in existence for a long time.

Example: Let's say a landlord owns a piece of land that has been in their family for generations. They decide to lease the land to a tenant for a period of 10 years. However, before the lease is signed, the landlord specifies that the tenant must pay an ancient rent of $100 per year. This means that the rent has been in existence for a long time, even before the current lease was made.

Explanation: The example illustrates how ancient rent is a type of rent that has been in existence for a long time. In this case, the landlord has specified that the tenant must pay an ancient rent, which means that the rent has been in existence before the current lease was made. This type of rent is often associated with historical properties or land that has been in a family for generations.