Where does “အသံ” come from?

အသံ (Burmese) comes from Burmese သံ, from Proto-Sino-Tibetan sjam — iron.

အသံ (Burmese): voice

Definitions

Step	Language	Word	Meaning
1	Burmese	သံ	iron; iron nail; envoy, diplomat
2	Proto-Sino-Tibetan	sjam	iron

အသံ — Etymology, Origin & Word History | Etymology Explorer