Berean Study Bible (BSB) - Jeremiah 38:6 >

So they took Jeremiah and dropped him into the cistern of Malchiah, the king’s son, which was in the courtyard of the guard. They lowered Jeremiah with ropes into the cistern, which had no water but only mud, and Jeremiah sank down into the mud.

Jewish Publication Society of America Version (JPS1917) - Jeremiah 38:6 >

Then took they Jeremiah, and cast him into the pit of Malchiah the king's son, that was in the court of the guard; and they let down Jeremiah with cords. And in the pit there was no water, but mire; and Jeremiah sank in the mire.