Abavunculus
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Lat. In the civil law. A great-great-grandmother's brother, (abaviae frater.) Inst. 3, 6, 6; Dig. 38, 10, 3. Called avunculus maximus.
Id. 38, 10, 10, 17.
Called by Bracton and Fleta atavunculus magnus. Bract. fol.
686; Fleta, lib. 6, c. 2, § 19.