A more thorough explanation:

An aisiamentum is a legal term that refers to an easement or privilege.

• John has an aisiamentum to use his neighbor's driveway to access his garage.
• The city has an aisiamentum to access the water main on private property for maintenance purposes.

These examples illustrate how an aisiamentum can grant someone the right to use or access someone else's property for a specific purpose. In the first example, John has an aisiamentum to use his neighbor's driveway, which is a privilege granted to him by his neighbor. In the second example, the city has an aisiamentum to access the water main on private property, which is a privilege granted to them by the property owner for maintenance purposes.