Damage feasant or faisant
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Doing damage. A term applied to a person's cattle or beasts found upon another's land, doing damage JS7 treading down the grass, grain, etc. 3 Bl. Comm. 7, 211; Tomlins. This phrase seems to have been introduced in the reign of Edward III., in place of the older expression "en son damage," (in damno suo.) Crabb, Eng. Law, 292.
Defined under Damage in Black's Law Dictionary.