Proto-Sino-Tibetan: *l[ɨ̆]wH
Meaning: weed, to weed
Kachin: (?) krau1 dig out, as a worm's nest from a hollow tree.
Lushai: hlô a weed, a drug, medicine, thlo (thlawʔ) to weed, to clear of weeds; to cultivate, silai-hlô saltpetre ( = "gun powder"); KC *hlo salt ( < *drug, powder).
Comments: Ben. 63.