'Fro' in the Bible

Does the ax boast against the one who cuts with it, or the saw magnify itself against [the] one who moves it to and fro? {As if a rod should move the one who lifts it}! {As if a staff should lift up that which is not wood}!

The earth shall reel to and fro like a drunkard, and shall be removed like a cottage; and the transgression thereof shall be heavy upon it; and it shall fall, and not rise again.

And your spoil shall be gathered like the gathering of the caterpiller: as the running to and fro of locusts shall he run upon them.

Then shalt thou say in thine heart, Who hath begotten me these, seeing I have lost my children, and am desolate, a captive, and removing to and fro? and who hath brought up these? Behold, I was left alone; these, where had they been?