'Off' in the Bible

So Hanun took David's servants, and shaved off the one half of their beards, and cut off their garments in the middle, even to their buttocks, and sent them away.

It happened at evening, that David arose from off his bed, and walked on the roof of the king's house: and from the roof he saw a woman bathing; and the woman was very beautiful to look on.

The shooters shot at your servants from off the wall; and some of the king's servants are dead, and your servant Uriah the Hittite is dead also."

He took the crown of their king from off his head; and its weight was a talent of gold, and [in it were] precious stones; and it was set on David's head. He brought forth the spoil of the city, exceeding much.

Then Abishai the son of Zeruiah said to the king, "Why should this dead dog curse my lord the king? Please let me go over and take off his head."