Proto-Sino-Tibetan: *phĕw(H)
Meaning: light; float
Tibetan: ãphjo (p. ãphjos) to swim (fishes); to float, to soar, roam about.
Burmese: phawʔ to swim out, float on the surface; pawʔ be light, phawʔ lighten.
Kachin: pjau2 to fly, flit.
Comments: Ben. 46.