Cognate with Northern Khmer ปิฺญ, Mon ပေၚ် (pɔiŋ, “to be full, complete”), Bahnar 'bĕnh (“full”), Pacoh pânh (“full”) Khmer ពេញ (pɨñ, “full, complete”) and Thai เพ็ญ (pen, “full”).
tbeng