What does ASSISE OF MORT D'ANCESTOR mean?

ASSISE OF MORT D'ANCESTOR meaning in Law Dictionary

genuine activity which put to recuperate land that one had been deprived in the loss of their ancestor because of the abatement or intrusion of a stranger. 3 Bl. Comm. 185; Co. Liitt. 159a. It absolutely was abolished by St. 3 & 4 Wm. IV. c. 27.