hyperborean

adjective [原级]极北的；严寒的；北极的

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.
这个遗迹证明，根据古代地理学，当时的色雷斯人与古希腊人和居住在北方的民族有着联系。