Foris Jurare
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
To forswear; to abjure; to abandon.
— Forisjurare parentilam. To remove oneself from parental authority. The person who did this lost his rights as heir. Du Cange.
— Provinciam forisjurare. To forswear the country. Spelman.