'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, thou shalt see in that day, when thou shalt go into an inner chamber to hide thyself.

And when thou comest thither, look out there Jehu the son of Jehoshaphat, the son of Nimshi, and go in, and make him arise up from among his brethren, and carry him to an inner chamber;

And Micaiah said, Behold, thou shalt see on that day when thou shalt go into an inner chamber to hide thyself.