Proto-Sino-Tibetan: *luaŋ (k-)
Meaning: interior; valley
Tibetan: luŋ valley, kluŋ river, kluŋs cultivated land, field (cf. also lʒ́oŋs a large valley).
Burmese: lwaŋ unoccupied space beyond houses; khjauŋh (OB khloŋ) stream, brook; hlǝuŋ 'cave, niche'
Kachin: lǝgjoŋ a ravine.
Lushai: tloŋ (LS) the Delaswari river.
Comments: Cf. *kruaŋ 'river, valley': the two roots are sometimes hard do distinguish. Cf. PAA *loŋ / *luŋ 'valley, deep place'; *kluaŋ 'middle, inside'; SM *loŋ 'in, into', Tai *kla:ŋ 'middle', *glo:ŋ 'channel'; PAN PAN *baqeluŋ 'small shallow body of water'. [For "valley" cf. also PAA *lVŋ 'field, land'].
