Mercury in Wikipedia

Mercury (pronounced /ˈmɜrkjʉri/, Latin: Mercurius listen (help·info)) was a messenger,[1] and a god of trade, the son of Maia Maiestas and Jupiter in Roman mythology. His name is related to the Latin word merx ("merchandise"; compare merchant, commerce, etc.), mercari (to trade), and merces (wages)[2]. In his earliest forms, he appears to have been related to the Etruscan deity Turms, but most of his characteristics and mythology were borrowed from the analogous Greek deity, Hermes. Mercury has influenced the name of a number of things in a variety of scientific fields, such as the planet Mercury, and the element mercury, which was formerly associated with it. The word mercurial is commonly used to refer to something or someone erratic, volatile or unstable, derived from Mercury's swift flights from place to place...