Where does “strefa” come from?

strefa (Polish) comes from German streifen, from Middle High German streifen, from Old High German streifen, from Proto-Germanic straipijaną.

strefa (Polish): zone; area; region

Definitions

Step	Language	Word	Meaning
1	German	streifen	to brush, to range; to swipe something
2	Middle High German	streifen	—
3	Old High German	streifen	—
4	Proto-Germanic	straipijaną	—

strefa — Etymology, Origin & Word History | Etymology Explorer