mesnalty means The position or land of a mesne lord. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- The position or land of a mesne lord.“"In old English law. The estate or right of a mesne, (q. v.) Termes de la Ley". Alexander M. Burrill
... now shall the donee hold by twelve pence, for the mesnaltie which was four pence is extinct, and the law reserved the tenure upon the gift in taile, in respect of the mesnaltie, and when the mesnaltie is extinct, the former rent between the donor and donee is extinct also... Coke et al
The judg”