Charles Ellicott Commentary Jeremiah 38:14

"Then Zedekiah the king sent, and took Jeremiah the prophet unto him into the third entry that is in the house of Jehovah: and the king said unto Jeremiah, I will ask thee a thing; hide nothing from me." — Jeremiah 38:14 (ASV)

The third entry in the house of the Lord. —In 2 Kings 16:18 we read of the king’s entry without, an outside entrance, and of a covert, or covered gallery, both leading from the palace to the Temple. The passage now mentioned (the name does not occur elsewhere) was probably distinct from both these, leading from the lower city, and may therefore have been chosen by Zedekiah as a more suitable place for a private interview with the prophet.

It seems probable from 2 Kings 23:11 that there was a chamber for the chief Eunuch, or chamberlain of the king’s household, and if so, it may have been arranged by Ebed-melech that the meeting should take place there. As in Jeremiah 37:17, the king still has a secret respect for Jeremiah’s mission, and, it may be, guided now by the Eunuch’s better counsels, longs for a word of the Lord from him. Will the prophet, after what has passed, tell him the whole truth?