EN.KI

EN.KI, or Enki ( dEN.KI(G)) is the Sumerian god of water, knowledge (gestú), mischief, crafts (gašam), and creation (nudimmud). He was originally patron god of the city of Eridu. He was associated with the constellation AŠ-IKU, the Field (Square of Pegasus). Beginning around the second millennium BCE, he was sometimes referred to in writing by the numeric ideogram for "40", occasionally referred to as his "sacred number". The planet Mercury, in Sumerian times, identified with Enki.