Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
prototypal is an adjective meaning "representing or constituting an original type after which other similar things are patterned". It carries one recorded sense.
representing or constituting an original type after which other similar things are patterned
“archetypal patterns”
“she was the prototypal student activist”
Definitions, synonyms and semantic relations for prototypal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.