Where does “Миэ” come from?

Миэ (Russian) comes from Japanese 三重, from Japanese 三, from Middle Chinese さん.

Ancestry of “Миэ”, step by step

Step	Language	Word	Meaning
1	Japanese	三重	triple, threefold, triplicate
2	Japanese	三	three, 3; third; three
3	Middle Chinese	さん	—