Concise Bible Dictionary:

Another form of JEHOIACHIN king of Judah (1 Chron. 3:16-1716And the sons of Jehoiakim: Jeconiah his son, Zedekiah his son. 17And the sons of Jeconiah; Assir, Salathiel his son, (1 Chronicles 3:16‑17); Esther 2:66Who had been carried away from Jerusalem with the captivity which had been carried away with Jeconiah king of Judah, whom Nebuchadnezzar the king of Babylon had carried away. (Esther 2:6); Jer. 24:11The Lord showed me, and, behold, two baskets of figs were set before the temple of the Lord, after that Nebuchadrezzar king of Babylon had carried away captive Jeconiah the son of Jehoiakim king of Judah, and the princes of Judah, with the carpenters and smiths, from Jerusalem, and had brought them to Babylon. (Jeremiah 24:1); Jer. 27:2020Which Nebuchadnezzar king of Babylon took not, when he carried away captive Jeconiah the son of Jehoiakim king of Judah from Jerusalem to Babylon, and all the nobles of Judah and Jerusalem; (Jeremiah 27:20); Jer. 28:44And I will bring again to this place Jeconiah the son of Jehoiakim king of Judah, with all the captives of Judah, that went into Babylon, saith the Lord: for I will break the yoke of the king of Babylon. (Jeremiah 28:4); Jer. 29:22(After that Jeconiah the king, and the queen, and the eunuchs, the princes of Judah and Jerusalem, and the carpenters, and the smiths, were departed from Jerusalem;) (Jeremiah 29:2)). Its Greek form is JECHONIAS (Matt. 1:11-1211And Josias begat Jechonias and his brethren, about the time they were carried away to Babylon: 12And after they were brought to Babylon, Jechonias begat Salathiel; and Salathiel begat Zorobabel; (Matthew 1:11‑12)).

Strong’s Dictionary of Hebrew Words:

and Ykonyahuw {yek-on-yaw'-hoo}; or (Jereremiah 27:20) Ykownyah {yek-o-neh-yaw'}; from 3559 and 3050; Jah will establish; Jekonjah, a Jewish king
KJV Usage:
Jeconiah. Compare 3659

Jackson’s Dictionary of Scripture Proper Names:

Jehovah will establish

Potts’ Bible Proper Names:

God establishes:― an altered form of Jehoiachin, Jer. 24:1. {Stabilit Dominus}