Definition of polyhistor in English:

polyhistor

noun

  • another term for polymath
    • ‘Her polyglot culture was amazingly rich and full, ranging from the classics to Schulz' Peanuts cartoons in multi-disciplinary liberation: a true polyhistor.’
    • ‘As a historian-type, gadfly, civil libertarian, civics junkie & polyhistor I came across the book and had to read it.’

Origin

Late 16th century: from Greek poluistōr very learned, from polu- much, very + histōr wise man.

Pronunciation:

polyhistor

/ˌpɒlɪˈhɪstə/