Where does “wapentac” come from?

wapentac (Middle English) comes from Old English wǣpenġetæc, from Old Norse vápnatak, from Old Norse tak, from Old Norse taka, from Proto-Germanic tēkaną, from Proto-Indo-European deh₁g- — to touch.

Ancestry of “wapentac”, step by step

Step	Language	Word	Meaning
1	Old English	wǣpenġetæc	—
2	Old Norse	vápnatak	lit. a weapons-touching: a Scandinavian ceremony...
3	Old Norse	tak	grip, hold
4	Old Norse	taka	to take; taking, capture; taking, seizing
5	Proto-Germanic	tēkaną	to touch; to grasp
6	Proto-Indo-European	deh₁g-	to touch

Every word from Proto-Indo-European deh₁g- →Every word from Proto-Germanic tēkaną →Every word from Old Norse taka →