Where does “միավանկային” come from?

միավանկային (Armenian) comes from Armenian մի, from Old Armenian մի, from Proto-Indo-European meh₁ — prohibitive particle.

Ancestry of “միավանկային”, step by step

միավանկային traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Armenian	մի	one; one, certain, some, a; don't!
2	Old Armenian	մի	one; first, firstly, in the first place; no, not,...
3	Proto-Indo-European	meh₁	prohibitive particle

Step	Language	Word	Meaning
1	Armenian	վանկ	syllable; song; tweet, chirp
2	Old Armenian	վանկ	Alternative form of վանգ