Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
prodromal is an adjective meaning "symptomatic of the onset of an attack or a disease". It carries one recorded sense.
symptomatic of the onset of an attack or a disease
Definitions, synonyms and semantic relations for prodromal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .