Where does “pogranicze” come from?

pogranicze (Polish) comes from Polish granica, from Old Polish granica, from Proto-Slavic grani̋ca.

pogranicze (Polish): borderland, frontier

Definitions

Step	Language	Word	Meaning
1	Polish	granica	border; frontier; limit
2	Old Polish	granica	—
3	Proto-Slavic	grani̋ca	—

pogranicze — Etymology, Origin & Word History | Etymology Explorer