Where does “lippe” come from?

lippe (German) comes from Yiddish ליפּ, from Middle High German lippe, from Old High German *lippa, from Proto-Germanic *lippjō.

Ancestry of “lippe”, step by step

Step	Language	Word	Meaning
1	Yiddish	ליפּ	lip
2	Middle High German	lippe	—
3	Old High German	*lippa	—
4	Proto-Germanic	*lippjō	—

lippe — Etymology, Origin & Word History | Etymology Explorer