Jah can be rendered as Jah or Yah and is short for Jehovah or Yahweh (or Yehowah) in a poetic sort of way. This shortened form of the divine name appeared 50 times in the Hebrew
scriptures, 26 as Jah or Yah, and 24 as
Hallelujah. The word “
Hallelujah” is Greek for a Hebrew phrase. The phrase translates as a literal command to a group of people to “praise Jah,” or “Yah.” Literally, "Praise Ye Jehovah."