What is Per Quod Servitium Amisit?

Legal Definition
Lat In old pleading. Whereby he lost the service [of his servant] A phrase used in the old declarations in actions of trespass by a master, for beating or ill using his servant, descriptive of the special damage he had himself sustained. 3 Bl. Comm. 142; 9 Coke, 113a; Callaghan v. Lake Hopatcong Ice Co.., 69 N. J. Law, 100, 54 Atl. 223.
-- Black's Law Dictionary
Legal Definition
Through which he lost the services.
-- Ballentine's Law Dictionary