Where does “fal” come from?

fal (Old High German) comes from Proto-West Germanic fall, from Proto-Germanic fallaz, from German Falz, from Latin falx, from Proto-Indo-European dʰelg- — a cutting tool; to stick; needle, pin.

Ancestry of “fal”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	fall	a fall; death, destruction, downfall
2	Proto-Germanic	fallaz	a fall; death, destruction, downfall
3	German	Falz	fold; rabbet, rebate; seam
4	Latin	falx	sickle, scythe; a hook used to pull down walls
5	Proto-Indo-European	dʰelg-	a cutting tool; to stick; needle, pin

Every word from Proto-Indo-European dʰelg- →