Originally published in the Encyclopedia Judaica, vol. 7 (1972), p. 1167. HALAKHAH LE-MOSHE MI-SINAI (Heb. הֲלָכָה לְמשֶׁה מִסִּינַי; “a law given to Moses at Sinai”). As part of the Oral Law, a number of laws, possessing biblical authority but neither stated in Scripture nor derived by hermeneutical principles, are stated in rabbinic literature to be “laws given…