term:

Purpresture

purpresture n

[Anglo-French, alteration of Old French porpresure, from porprendre to seize, occupy, enclose, from por- for + prendre to take, from Latin prehendere]
: wrongful appropriation of land subject to the rights of others
: an encroachment upon or enclosure of real property (as highways, sidewalks, or harbors) subject to common or public rights

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.