'Fro' in the Bible

I looked on the mountains, and behold, they were quaking,And all the hills moved to and fro.

Run ye to and fro through the streets of Jerusalem, and see now, and know, and seek in the broad places thereof, if ye can find a man, if there be any that executeth judgment, that seeketh the truth; and I will pardon it.

And I will cause them to be tossed to and fro among all the kingdoms of the earth, because of Manasseh, the son of Hezekiah, king of Judah, for that which he did in Jerusalem.

I will even give them up to be tossed to and fro among all the kingdoms of the earth for evil; to be a reproach and a proverb, a taunt and a curse, in all places whither I shall drive them.

And they shall drink, and reel to and fro, and be mad, because of the sword that I will send among them.

And I will pursue after them with the sword, with the famine, and with the pestilence, and will deliver them to be tossed to and fro among all the kingdoms of the earth, to be an execration, and an astonishment, and a hissing, and a reproach, among all the nations whither I have driven them;

Therefore thus saith Jehovah: ye have not hearkened unto me, to proclaim liberty, every man to his brother, and every man to his neighbor: behold, I proclaim unto you a liberty, saith Jehovah, to the sword, to the pestilence, and to the famine; and I will make you to be tossed to and fro among all the kingdoms of the earth.

Howl, O Heshbon, for Ai is spoiled: cry, ye daughters of Rabbah, gird you with sackcloth; lament, and run to and fro by the hedges; for their king shall go into captivity, and his priests and his princes together.