purpresture

n. [ Probably corrupted (see Prest) fr. OF. pourprisure, fr. pourprendre: cf. LL. purprestura. Cf. Purprise. ] (Law) Wrongful encroachment upon another's property; esp., any encroachment upon, or inclosure of, that which should be common or public, as highways, rivers, harbors, forts, etc. [ Written also pourpresture. ] [ 1913 Webster ]