Where does “մղեղ” come from?

մղեղ (Armenian) comes from Old Armenian մղեղ, from Proto-Indo-European melh₂-, from Proto-Indo-European mel-, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.

մղեղ (Armenian): chaff

Definitions

chaff

Ancestry of “մղեղ”, step by step

Step	Language	Word	Meaning
1	Old Armenian	մղեղ	dust, chaff, ash
2	Proto-Indo-European	melh₂-	to grind, to crush
3	Proto-Indo-European	mel-	soft; tender; weak; to deceive; to rub
4	Proto-Indo-European	mey-	to strengthen; to bind; to change, exchange

Every word from Proto-Indo-European mey- →Every word from Proto-Indo-European mel- →Every word from Proto-Indo-European melh₂- →