YHWH = IAO Jah or Yah (Hebrew: יָהּ, Yāh) is a short form of יהוה (YHWH), the four letters that form the tetragrammaton, the personal name of God: Yahweh, which the ancient Israelites used. Ya’oh which in hebrew would be יאו(Yod Aleph,Vau) and in Greek Γιάο(Iota,Alpha,Omikron or Omega as it is also referred to)