Proto-Sino-Tibetan: *rāH (/ *rāk, *rāŋ)
Meaning: rough, coarse
Tibetan: rags coarse, thick, gross, raŋs rough, rude, unpolished.
Burmese: hraʔ feel the harshness of surface, feel an unpleasant taste.
Kachin: gra2, mǝgra2 be sharp to the touch.
Comments: Coblin 55-56. In Burm. the root has coincided with hraʔ 'to wound by a slight cut, accidentally', see *[ʔʷ]răH. Sag. 10 compares Chin. with PAN *qasiRa 'salt' (?).
