Per Aversionem
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. In the civll law. By turning away. A term applied to that kind of sale where the goods are taken in bulk, and not by weight or measure, and for a single price; or where a piece of land is sold as containing in gross, by estimation, a certain number of acres. Poth. Cont. Sain, nn.
256, 309.
So called because the buyer acts without particular examination or discrimination, turning his face, as it were, away.
Calvin.