Arktos means bear in Ancient Greek and the name Arctic comes from Arktikos which could be translated as near the bear. One theory is that it was named because of the Ursa constellations (Ursa Major and Ursa Minor). Antarctica just means opposite of the Arctic.

The scientific name for Brown Bears is Ursus Arctos. Ursus means bear in Latin while Arctos means bear in Ancient Greek so their name translated is Bear Bear.