decompose
verb (used with object)
to separate or resolve into constituent parts or elements; disintegrate.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Best of all, you could lay down a tarp now, and by July the grass will have decomposed and added excellent fertility to the new plot.
From Washington Post ● Mar. 14, 2017