HYPERBOREAN

I. noun Etymology: Latin Hyperborei (plural), from Greek Hyperboreoi, from hyper- + Boreas Date: 15th century a member of a people held by the ancient Greeks to live beyond the north wind in a region of perpetual sunshine, an inhabitant of a cool northern climate, II. adjective Date: 1591 of or relating to an extreme northern region ; frozen , of or relating to any of the arctic peoples