'Word' in the Bible

Now in the first year of Cyrus king of Persia, that the word of Jehovah by the mouth of Jeremiah might be accomplished, Jehovah stirred up the spirit of Cyrus king of Persia, so that he made a proclamation throughout all his kingdom, and put it also in writing, saying,

And that which they have need of, both young bullocks, and rams, and lambs, for burnt-offerings to the God of heaven; also wheat, salt, wine, and oil, according to the word of the priests that are at Jerusalem, let it be given them day by day without fail;

Also I have made a decree, that whosoever shall alter this word, let a beam be pulled out from his house, and let him be lifted up and fastened thereon; and let his house be made a dunghill for this:

Then arose Ezra, and made the chiefs of the priests, the Levites, and all Israel, to swear that they would do according to this word. So they sware.