'Word' in the Bible

Now in the first year of Cyrus king of Persia [that is, the first year he ruled Babylon], in order to fulfill the word of the Lord by the mouth of Jeremiah [the prophet], the Lord stirred up (put in motion) the spirit of Cyrus king of Persia, so that he sent a proclamation throughout all his kingdom, and also put it in writing, saying:

Whatever is needed, including young bulls, rams, and lambs for the burnt offerings to the God of heaven, and wheat, salt, wine, and anointing oil, according to the request of the priests at Jerusalem, let it all be given to them daily without fail,