“Jah” is a shortened form of “Yah,” which is a shortened form of “Yahweh,” one of the names of God in the Hebrew Bible (Old Testament). It’s used in some translations of the Bible, particularly in poetic or archaic contexts, as a way to refer to God.
Yahweh is the personal name of God in the Hebrew Bible, revealed to Moses at the burning bush (Exodus 3:14-15). It’s considered highly sacred in Judaism and is often translated as “the LORD” in many English translations of the Bible. The name Yahweh signifies God’s eternal and unchanging nature, and it’s used to convey the intimate relationship between God and His people.
“Jah” is found in some English translations of the Bible, especially in poetic or musical contexts. For example, in the King James Version (KJV) and some other translations, you’ll find “Jah” used in Psalms 68:4: “Sing unto God, sing praises to his name: extol him that rideth upon the heavens by his name JAH, and rejoice before him.”
In Rastafarianism, “Jah” is used as a name for God, reflecting the movement’s roots in Jamaica and its association with reggae music. Rastafarians believe that Haile Selassie, the former Emperor of Ethiopia, is the earthly embodiment of Jah, and they often use “Jah” as a name for both God and Haile Selassie.