The correct spelling of the word "de compounded" is actually "decompounded", with four syllables pronounced as /diːkəmˈpaʊndɪd/. The word is a verb and refers to the process of breaking down a compound substance into its individual components. The prefix "de-" means the opposite or the reversal of, while "compounded" refers to a mixture of two or more elements. Therefore, "decompounded" means separating or undoing a previously compounded substance. Ensuring proper spelling is crucial in conveying the intended meaning of a word.