Tob-adonijah
The name Tob-adonijah means “my good God; the goodness of the foundation of the Lord”.
Easton's Bible Dictionary 1897
Good is Jehovah, my Lord, a Levite sent out by Jehoshaphat to instruct the people of Judah in the law (2 Chr. 17:8).
International Standard Bible Encyclopedia 1915
tob-ad-o-ni'-ja, tob-(Tobh 'adhoniyah, "good is the Lord"; Codex Vaticanus Tobadobeia; Codex Alexandrinus and Lucian Tobadonia): One of the Levites sent by King Jehoshaphat to teach in the cities of Judah (2Ch 17:8). The name looks like a dittography arising from the two previous names, Adonijah and Tobijah.