'Inner chamber' in the Bible

But the rest fled to Aphek, into the city; and there a wall fell upon twenty and seven thousand of the men that were left. And Ben-hadad fled, and came into the city, into an inner chamber.

And Micaiah said, Behold, you shall see in that day, when you shall go into an inner chamber to hide yourself.

And when you come there, look there for Jehu the son of Jehoshaphat the son of Nimshi, and go in, and make him arise up from among his brethren, and take him to an inner chamber;

And Micaiah said, Behold, you shall see on that day when you shall go into an inner chamber to hide yourself.