decomposed
de-com-posed
verb
(Past participle) To have broken down or separated into constituent parts.
"The old leaves had decomposed into rich soil."
adjective
Having rotted or broken down into simpler substances, often naturally.
"We found a decomposed log in the woods."
Thesaurus
Synonyms: decompose, break down, break up, moulder, molder, rot, disintegrate, decay