What term describes the property owned by Milly from which Mike benefits by crossing to reach the beach?

The correct term describing the property owned by Milly from which Mike benefits by crossing to reach the beach is the servient tenement. In easement law, the servient tenement is the parcel of land that is burdened by the easement and allows another party to use a portion of its property—in this case, Milly's property—which provides a pathway for Mike to access the beach.

The servient tenement is essential in the context of easements because it establishes the property rights of both the easement holder and the property owner. In this scenario, Milly retains ownership of her land while granting Mike the right to cross it, making her property the servient tenement in relation to Mike's benefit.

Other terms involved in easement law, such as dominant tenement—referring to the property that benefits from the easement—do not apply to the property owned by Milly in this context. The concepts of gross easement and negative easement pertain to different types of easements that do not apply directly to Mike's situation concerning Milly's property.