Definition of energumen in English:

energumen

noun

Archaic
  • A person believed to be possessed by the devil or a spirit.

    • ‘The sprightly energumen lives and breathes his words on the stage for 53 minutes.’
    • ‘The energumens, who were exorcized daily, were prevented by the daily exorcisms and sweeping duties from pursuing their usual callings.’
    • ‘Apparently an energumen, she had exhibited symptoms of diabolical possession for a dozen years: she could not pray, take communion or even pronounce the name of Christ.’

Origin

Early 18th century (also denoting an enthusiast or fanatic): via late Latin from Greek energoumenos, passive participle of energein work in or upon.

Pronunciation:

energumen

/ˌɛnəˈɡjuːmən/