Where does “Мянма” come from?

Мянма (Tajik) comes from Russian Мья́нма, from Burmese မြန်မာ — Myanmar; Burma; Burmese; Myanmar.

Ancestry of “Мянма”, step by step

StepLanguageWordMeaning
1RussianМья́нма
2Burmeseမြန်မာMyanmar; Burma; Burmese; Myanmar
Every word from Burmese မြန်မာEvery word from Russian Мья́нма