Jah 's the shortened name for God YHWH, most commonly used in the Rastafari movement. It comes from the Hebrew יָהּ = Yah [jah]. Other uses Jah's often used as a shortened form of the Tetragrammaton. The Tetragrammaton's often translated (especially in older English versions of the Bible) by use of the term "LORD," and the word "Hallelujah" by the phrase "Praise ye the LORD" (Psalm 104:35 KJV and footnote). Thus, partially translated and partially transliterated, the term… (More on Jah)