Origin of hyperborean
- From Latin Hyperboreus from Hyperboreī the Hyperboreans from Greek Huperboreoi huper- hyper- boreios northern or Boreās the north wind, the north
From American Heritage Dictionary of the English Language, 5th Edition
- Late Latin hyperboreanus, cognate with classical Latin hyperboreus; the Greek word was Ύπερβορεος, i.e. ύπερ + βορειος ‘northern’.