The Meaning of "Hallelujah"
... command, urging multiple people to engage in the act of praise. The second part, "Jah" (יָהּ), is a shortened, poetic form of the personal name of God, Yahweh (יהוה), often rendered as "the LORD" in the KJV. Thus, the literal and foundational meaning of "Hallelujah" is "Praise ye ...