Aval
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
In French law. The guaranty of a bill of exchange; so called because usually placed at the foot or bottom (eval) of the bottom of a promissory note or of a bill of exchange; properly an act of suretyship, by the party signing, in favor of the party to whom the note or bill is given.
1 Low. Can. 221.