Word meaning "to make more efficient"?
Solution 1:
I think that the word you're looking for here is optimize:
From Merriam-Webster: to make as perfect, effective, or functional as possible
Solution 2:
Streamline
- (transitive) To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid.
- (transitive, by extension) To simplify or organize a process in order to increase its efficiency.
- (transitive) To modernise.