mor'-o, too-mor'-o: Two words are used in the Old Testament in this meaning: boqer, which properly means "dawn," or "morning," and machar, properly the same, but used for the next morning and hence, "tomorrow," like the German morgen. The derivative mo-chorath, is "the following day," "all the next day," especially after yom ("day"), but usually coupled with a noun following, as in Leviticus 23:11, mochorath ha-shabbath "day after the Sabbath." It is also used adverbially for "on the morrow," as in Genesis 19:34.

In the Greek of the New Testament we find aurion (Matthew 6:34, etc.), commonly used, but hexes, also occurs (Acts 25:17 the King James Version, where the Revised Version (British and American) renders more exactly "the next day"); epaurion, is "on the morrow" (Acts 10:9,23-24).

H. Porter

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.

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