Sichuan Yi ꃶ

← Proto-Sino-Tibetan *wu (inherited)

← Proto-Sino-Tibetan *ru-t (inherited)

← Proto-Loloish *ʔu¹ (inherited)

← Proto-Loloish *ru² (inherited)

→ Burmese အူ (cognate)

→ Lolopo vu (cognate)