simplify
verb (used with object)
to make less complex or complicated; make plainer or easier.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Then as till now, you have been simplifying the quality of your food, gradually—very gradually—as you feel capable of it diminish the quantity.
From Five Years of Theosophy by Various