Proto-Sino-Tibetan: *tŭm
Meaning: bell, musical instrument
Kachin: dum2 play a musical instrument.
Lushai: tum to play (a musical instrument), KC *tum.
Comments: Dimasa dām; Miri -dum play music. Sh. 48, 194. MCh. ćöuŋ > Tib. ćoŋ a musical instrument, a bell.