Where does “dwaes” come from?

dwaes (Middle Dutch) comes from Old Dutch dwās, from Proto-Germanic dwēsaz, from Proto-Indo-European dʰews-, from Proto-Indo-European dʰew- — to die, pass away; to run, flow.

Ancestry of “dwaes”, step by step

Step	Language	Word	Meaning
1	Old Dutch	dwās	—
2	Proto-Germanic	dwēsaz	foolish, stupid
3	Proto-Indo-European	dʰews-	Alternative form of *dʰwes-; to lose one's...
4	Proto-Indo-European	dʰew-	to die, pass away; to run, flow

Words derived from “dwaes”

dwaas
dwaasheid

Every word from Proto-Indo-European dʰew- →Every word from Proto-Indo-European dʰews- →Every word from Proto-Germanic dwēsaz →