Reconstruction:Proto-Vietic/poːnʔ

Etymology
From.

Numeral

 * 1) four

Descendants

 * Arem: puənʔ
 * Chut:
 * Rục: poːn³
 * Kha Pong: poːn³
 * Malieng: poːn³
 * Proto-Pong: *poːn³
 * Liha: poːn³
 * Phong: poːn³
 * Toum: poːn³
 * Thavung: poːn³
 * Tho:
 * Cuối Chăm: pɔːn³
 * Làng Lỡ: pɔːn³
 * Viet-Muong: