Opuñjeti or ˚ati [o + puñjeti Denom. of puñja, heap] to heap up, make a heap, cover over with (Morris, J.P.T.S. 1887, 153 trsls. "cleanse") Vin ii.176 (opuñjati bhattaŋ); J iv.377 (opuñchetvā T., but v. l. opuñjetvā; gloss upalimpitvā); DhA iii.296 (opuñchitvā, gloss sammajjitvā). <-> Caus. opuñjāpeti in same meaning "to smear" Vin iii.16 (opuñjāpetvā; v. l. opuñchāpetvā).

Pali-English Dictionary, TW Rhys Davids, William Stede,