Where does “Grenze” come from?

Grenze (German) comes from Middle High German grenize, from Old Polish granica, from Proto-Slavic grani̋ca.

Grenze (German): border; limit; frontier

Definitions

Step	Language	Word	Meaning
1	Middle High German	grenize	—
2	Old Polish	granica	—
3	Proto-Slavic	grani̋ca	—

Grenze — Etymology, Origin & Word History | Etymology Explorer