Where does “dragǭ” come from?

dragǭ (Proto-Germanic) comes from Proto-Indo-European dʰreǵʰ- — to drag, draw, pull; to draw, drag.

Ancestry of “dragǭ”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	dʰreǵʰ-	to drag, draw, pull; to draw, drag

dragǭ — Etymology, Origin & Word History | Etymology Explorer