'Word' in the Bible

"Remember, I beg you, the word that you commanded your servant Moses, saying, 'If you trespass, I will scatter you abroad among the peoples;

I said to them, "We, after our ability, have redeemed our brothers the Jews that were sold to the nations; and would you even sell your brothers, and should they be sold to us?" Then they held their peace, and found never a word.