Where does “մուղձ-” come from?

մուղձ- (Old Armenian) comes from Old Armenian մղձկեմ, from Old Armenian հեղձամղձուկ, from Old Armenian մղձկիմ — mediopassive of մղձկեմ.

Ancestry of “մուղձ-”, step by step

Step	Language	Word	Meaning
1	Old Armenian	մղձկեմ	to choke, to stifle, to suffocate, to strangle;...
2	Old Armenian	հեղձամղձուկ	drowned, suffocated; oppressed, agitated,...
3	Old Armenian	մղձկիմ	mediopassive of մղձկեմ