Jastrow: תַּרְפּוּת

תַּרְפּוּת f. (תָּרַף) [foulness,] obscenity, debauchery at idolatrous festivals. Ab. Zar. II, 3 ההולכין לת׳ אסור וכ׳ you must not deal with those who journey to idolatrous festivals (Dionysia), but you may deal with those who are coming home; Tosef. ib. I, 15; Y. ib. II, 41ᵇ [read:] אית תניי תני ת׳ ואית תניי תני תרבות מאן … תרפים וכ׳ some read tarputh, and others read tarbuth; he that reads tarputh refers to t’rafim (תְּרָפִים obscenities, v. תּוֹרְפָה) &c., v. תּוֹרִיב. Tosef. l. c. 16 לא … עם שיירא בת׳ (our w. omitted in ed. Zuck.) a man (Jew) must not go with a party on an idolatrous pilgrimage. Bab. ib. 32ᵇ נכרי ההולך לת׳ וכ׳ if a gentile is going to an idolatrous festival, you must not deal with him, because he goes to offer his devotion to idolatry, but on his way back you may deal with him &c.; ישראל ההולך לת׳ וכ׳ if a Jew is going to an idolatrous festival, you may deal with him on his way to it, for he may reconsider and not go &c.; a. e.