Where does “חלף” come from?

חלף (Yiddish) comes from Hebrew חלף, from Proto-Semitic ḫalap- — to go beyond, to transgress.

Ancestry of “חלף”, step by step

Step	Language	Word	Meaning
1	Hebrew	חלף	to pass; to move past, to pass through, to pass...
2	Proto-Semitic	ḫalap-	to go beyond, to transgress