pertinentia
Pertinentia is a legal term that refers to things incidental or accessory to the principal thing. In essence, it denotes rights, privileges, or things that are not part of the main property or subject matter but are nonetheless associated with it and pass along with it unless specifically excluded. The concept is often invoked in property law, particularly in the context of real estate.
For example, when land is sold, certain pertinentia associated with that land, such as easements or rights
The underlying principle is that these accessory items are deemed necessary or beneficial for the full enjoyment