From ခံ (khee, “rear, buttocks”) + ပူၤ (poō, “hole”). The first component is from Proto-Tibeto-Burman *kləj. Cognate with Eastern Pwo ခင့်ဖိုင် (khâɴ phə̀ɴ).
ခံပူၤ • (khee poō)