Zeus is one of the most ancient gods of the world. His name can be found in other Indo-European nations, except the Greek. Some of those nations are the Indians, the Ombrius and the Latinos. So he must be worshiped at least from 3000 BC. He was brought in Greece around 2000 BC, from the settlers who came from northern then Greece countries. His name must come from the root word div- that means sky. The expression Zefs patir (father Zeus), that Greeks used to refer to him, accords exactly to the name Diespiter (Jupiter) that Romans used for him ....