'Back' in the Bible

When the men of Ai looked behind them, they saw, and behold, the smoke of the city ascended up to heaven, and they had no power to flee this way or that way. The people who fled to the wilderness turned back on the pursuers.

For Joshua didn't draw back his hand, with which he stretched out the javelin, until he had utterly destroyed all the inhabitants of Ai.

Joshua turned back at that time, and took Hazor, and struck its king with the sword: for Hazor used to be the head of all those kingdoms.

"But if you do at all go back, and hold fast to the remnant of these nations, even these who remain among you, and make marriages with them, and go in to them, and they to you;