Comprivigni
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. Children by a former marriage, (individually called "privigni," or "priingnœ") considered relatively to each other. Thus, the son of a husband by a former wife, and the daughter of a wife by a former husband, are the comprivigni of each other.
Inst. 1, 10, 8.