Proto-Sino-Tibetan: *[lj]ǝ̆ŋ
Meaning: lower, down
Tibetan: źoŋ lower, nether, gźaŋ anus.
Kachin: kǝ.31 leŋ.31 'lie (down)'
Lushai: thlaŋ the west; lower; down.
Lepcha: ljáŋ to be shallow ( as water, or as mind, counsel)
Comments: Tib. źoŋ may also go back to *rjoŋ, in which case it may be compared with OC 降 *krūŋ 'descend, go down'. Cf. also Kham gyãh.1, LB *lVŋ 'lie (down); short'.
