The great grandfather's or great grandmother's grandfather; a fourth grandfather. The ascending line of lineal ancestry runs thus: Pater, Avus, Proavus, Abavus, At avus, Tritavus. The seventh generation in the ascending scale will be Tritavi pater, and the next above it Proavi atavus. Law Dictionary - Alternative Legal Definition The male ascendant in the fifth degree, was so … [Read more...]
ATAVUS
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.