MegAntioch 40 :אֵיתִיאוּ אָעִין רַטִיבִין וְאוֹקִידוּ עַל פוֹם מְעָרְתָא‏ : they brought moist wood and burned it at the mouth of the cave
See the entire entry for raṭṭīḇ adj. moist