So she let them down by a rope through the window, for the house she lived in was part of the city wall. (NIV)
Then she let them down by a rope through the window, for her house was built into the [town] wall so that she dwelt in the wall. (AMP)
Then she let them down by a cord through the window: for her house was upon the town wall, and she dwelt upon the wall. (KJV)