Reference for Yevamot 33:6
יתיב רב המנונא קמיה דעולא וקא הוי בשמעתא אמר מה גברא ומה גברא אי לאו דהרפניא מאתיה אכסיף א"ל כסף גלגלתא להיכא יהבת א"ל לפום נהרא א"ל א"כ מפום נהרא את
R. Joseph sat behind R. Kahana while R. Kahana sat before Rab Judah, and while sitting he made the following statement: 'Israel will make a festival when Tarmod will have been destroyed'.<span class="x" onmousemove="('comment',' Being of tainted birth they contaminated many pure families in Israel by their intermarriages. ');"><sup>21</sup></span> But, surely, it was destroyed! — That<span class="x" onmousemove="('comment',' The destroyed city. ');"><sup>22</sup></span> was Tammod.<span class="x" onmousemove="('comment',' [According to Obermeyer. p. 199, the district between Medina and Syria inhabited by the Arab tribe Thamod, mentioned by Plinius and which, according to the Koran (VII, 76) has been destroyed by earthquake.] ');"><sup>23</sup></span> R. Ashi said: Tarmod and Tammod are identical, but the city was rebuilt;<span class="x" onmousemove="('comment',' Lit., 'redoubled'. ');"><sup>24</sup></span>