Proto-Sino-Tibetan: *wāp
Meaning: fall
Tibetan: phab to fall down, ãbab (p. bab(s), i. ãbob, bobs) to descend, fall down, ãbebs (p. phab, f. dbab, i. phob) throw down, cast down.
Burmese: wap to fall face on the ground.
Comments: Bod. 49; Coblin 76.