(Jehovah ), the abbreviated form of Jehovah, used only in poetry. It occurs frequently in the Hebrew, but with a single exception, ( Psalms 68:4 ) is rendered "Lord" in the Authorized Version. The identity of Jah and Jehovah is strongly marked in two passages of Isaiah-- ( Isaiah 12:2 ; 26:4 ) [JEHOVAH].
[E] indicates this entry was also found in Easton's Bible Dictionary
[H] indicates this entry was also found in Hitchcock's Bible Names
Bibliography InformationSmith, William, Dr. "Entry for 'Jah'". "Smith's Bible Dictionary".