The Collaborative International Dictionary of English v.0.48:

Estrepe \Es*trepe"\, v. t. [OF. estreper.] (Law)
   To strip or lay bare, as land of wood, houses, etc.; to
   commit waste.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

ESTREPE. This word is derived from the French, estropier, to cripple. It
signifies an injury to lands, to the damage of another, as a reversioner.
This is prevented by a writ of estrepement.