Easton's Bible Dictionary (1897)
Jehovah his ornament, the wife of King Jehoash, and mother of King Amaziah (2 Kings 14:2).
Smith's Bible Dictionary (1863)
(Whom Jehovah adorns), queen to King Josiah, and mother of Amaziah of Judah. (2 Kings 14:2; 2 Chronicles 25:1) (B.C. 862-837.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JEHOAD'DAN (the feminine form of the above), the queen of Joash and mother of Amaziah, the succeeding king of Judah. 2 Kgs 14:2; 2 Chr 25:1.
Hitchcock's Bible Names (1869)
pleasure, or time, of the Lord