2 Samuel 18:5-7

Young's Literal Translation

⁵ and the king chargeth Joab, and Abishai, and Ittai, saying, `Gently -- for me, for the youth, for Absalom;' and all the people heard in the king's charging all the heads concerning Absalom.

⁶ And the people goeth out into the field to meet Israel, and the battle is in a forest of Ephraim;

⁷ and smitten there are the people of Israel before the servants of David, and the smiting there is great on that day -- twenty thousand;