mĕlĭōro — Lewis & Short
mĕlĭōro (no
I perf.), ātum, 1, v. a. melior, to make better, to better, improve (postclass.):
meliorare proprietatem,Dig. 7, 1, 13:
melioratum praedium,Cod. Just. 5, 71, 16; Cassiod. Var. 9, 3.