Where does “Mi-an-ma” come from?

Mi-an-ma (Vietnamese) comes from Burmese မြန်မာ — Myanmar; Burma; Burmese; Myanmar.

Ancestry of “Mi-an-ma”, step by step

Step	Language	Word	Meaning
1	Burmese	မြန်မာ	Myanmar; Burma; Burmese; Myanmar

Mi-an-ma — Etymology, Origin & Word History | Etymology Explorer