Easton's Bible Dictionary (1897)
Jehovah our rightousness, rendered in the Authorized Version, “The LORD our righteousness,” a title given to the Messiah (Jer. 23:6, marg.), and also to Jerusalem (33:16, marg.).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JEHO'VAH-TSID'KENU (Jehovah our righteousness), the marginal reading in Jer 23:6 and Jer 33:16. Our translators' "hesitation whether they should render or transfer the expression may have been the greater from their supposing it to be one of the Messianic titles." - Smith.
Hitchcock's Bible Names (1869)
the Lord our righteousness