BT Er 40b(32) :דליוה לרטיבא רפסא בדוכתיה‏ : (if ) they raised the moist object, ... in its place
See the entire entry for raṭṭīḇ adj. moist

BT Er 40b(32) :דליוה לרטיבא רפסא בדוכתיה‏ : they lifted a moist thing (and found) wriggling in its place [a proverb]
See the entire entry for rp̄es, rep̄sā n.m. dancing