Abmatertera
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. In the civll law.
A great-great-grandmother's sister, (abaviæ soror.) Inst. 3, 6, 6; Dig. 38, 10, 3.
Called matertera maxima.
Id. 38, 10, 10, 17.
Called, by Br&cton, abmatertera magna.
Bract. foL 68b.