A more thorough explanation:

Definition: Apport (pronounced "uh-port") is a term from Law French that refers to a tax, expense, tribute, or payment.

Example: In medieval times, lords would often require their tenants to pay an apport, which was a type of tax or tribute. This payment was usually made in the form of goods or services, such as a portion of the crops grown on the tenant's land.

Explanation: The example illustrates how apport was used in medieval times as a way for lords to collect taxes or tribute from their tenants. The apport was a type of payment that was required of the tenant, and it could take many different forms depending on the agreement between the lord and the tenant. In this case, the apport was often paid in the form of crops or other goods produced on the tenant's land.