Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
decompound is an adjective meaning "of a compound leaf; consisting of divisions that are themselves compound". It carries one recorded sense.
of a compound leaf; consisting of divisions that are themselves compound
Definitions, synonyms and semantic relations for decompound come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.