'Withdraw' in the Bible

On that day his feet will stand on {the Mount of Olives}, which faces Jerusalem on [the] east; and {the Mount of Olives} will be split {in half}, from east to west, [by] a very great valley; and half of the mountain will withdraw toward the north, and the other half toward the south.

And it shall come to pass in that day, that there shall not be light; the bright ones shall withdraw themselves: