Where does “dʰrowgʰ-mos” come from?

dʰrowgʰ-mos (Proto-Indo-European) comes from Proto-Indo-European dʰrewgʰ-, from Proto-Indo-European dʰer- — to support; to hold.

Ancestry of “dʰrowgʰ-mos”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	dʰrewgʰ-	to deceive, to mislead; to serve one's tribe;...
2	Proto-Indo-European	dʰer-	to support; to hold

dʰrowgʰ-mos — Etymology, Origin & Word History | Etymology Explorer