Where does “vals” come from?

vals (Middle High German) comes from Old French fals, from Latin falsus, from Latin fallō, from Proto-Indo-European ǵʰwel- — to bend; to lie, deceive.

Ancestry of “vals”, step by step

Step	Language	Word	Meaning
1	Old French	fals	false
2	Latin	falsus	deceived, tricked, cheated, disappointed, having...
3	Latin	fallō	—
4	Proto-Indo-European	ǵʰwel-	to bend; to lie, deceive

Words derived from “vals”

фальшь
Falschspieler
grundfalsch
falsch
fałszować
фаличан
faličan
פֿאַלש

Every word from Proto-Indo-European ǵʰwel- →

vals — Etymology, Origin & Word History | Etymology Explorer