v. Obs. rare1. [f. LESS a., by form-association with vbs. from Fr. apparently formed on adjs., as a-base: cf. amenuse.] To make less, lessen, diminish.
1496. Dives & Paup. (W. de Worde), VIII. ix. 289/1. He must alesse the hyre that the fermer sholde paye.