En son damage
Defined in 2 dictionaries — Ballentine's (1916), Burrill (1850)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Same as Damage feasant.
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
Fr. [L. Lat. in damno suo.] In his damage; doing him damage; damage feasant, (q. v.) En son pree, ou en ses blees, ou aillours en son damage; in his meadow, or in his corn, or elsewhere in his damage. Britt. c. 27.