wälzen (German) comes from Middle High German welzen, from Old High German welzen, from Proto-West Germanic waltijan, from Proto-Germanic waltijaną, from Proto-Indo-European wēl- — to see, perceive.
wälzen (German): to roll; to wriggle, writhe, toss and turn
Definitions
to roll; to wriggle, writhe, toss and turn
Ancestry of “wälzen”, step by step
wälzen traces back through two separate lines of ancestry.