- Yahweh
- The hypothetical pronounciation of the divine name YHWH; by some pronounced Yahveh. See YHWH. See Introduction, Part 1.
- Yahwist narrative
- (also called Yahwist source; abbreviated J) A reconstructed literary source lying behind the Torah/Pentateuch, written around 950 B.C.E. in Judah. See Part 1.
- Yahwist
- The author of the narrative source in the Torah/Pentateuch that favors the use of the divine name Yahweh. See Yahwist source.
- YHWH
- (Yahweh) The sacred name of God in the Hebrew Bible; also known as the tetragrammaton; since Hebrew was written without vowels in ancient times, the four consonants YHWH contain no clue to their original pronunciation; they are generally rendered Yahweh in contemporary scholarship; in traditional Judaism, the name is not pronounced, but Adonay ("Lord") or something similar is substituted; in most English versions of the Bible the tetragrammaton is represented by "LORD" (or less frequently, "Jehovah").See Introduction, Part 1.
- Yom Kippur
- (Hebrew for "Day of Atonement") Annual day of fasting, penitence, and atonement, occurring in the fall on Tishri 10 (just after Rosh Hashanah); the most solemn and important occasion of the Jewish religious year.