Pangaea
/pænˈdʒiːə/- a vast continental area or supercontinent comprising all the continental crust of the earth, which is postulated to have existed in late Palaeozoic and Mesozoic times before breaking up into Gondwana and Laurasia泛古陆, 联合古陆。
词源
early 20th cent.: from PAN- 'all' + Greek gaia 'earth'.