Hyperborean /(?)/

Hy·per·bo·re·an

Hyperborean

a.
  1. Of or pertaining to the region beyond the North wind, or to its inhabitants. (Greek Myth.)
  2. Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, as, a hyperborean coast or atmosphere.
    The hyperborean or frozen sea.
    — C. Butler (1633).

Hyperborean

n.
  1. One of the people who lived beyond the North wind, in a land of perpetual sunshine. (Greek Myth.)
  2. An inhabitant of the most northern regions.