Abavunculus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. In the civil law.
A great-great-grandmother's brother, (abaviœ frater.) Inst. 3, 6, 6; Dig. 38, 10, 3.
Called avunculus maximus.
Id. 38,10, 10, 17.
Called by Bracton and Fleta abavunculus magnus. Bract, fol.
68b; Fleta, lib. 6, c. 2, § 19.