This is the 17618th most frequent Polish word.
zetrzeć
"Zetrzeć" means "to wipe off," "to scrub," or "to grate" in English.
In this context, 'zetrzeć' means to grate or shred something, specifically referring to the cheese being grated using a grater, a common usage in cooking.
Musisz zetrzeć ten ser na tarce.
You need to grate this cheese using a grater.
Here, 'zetrzeć' is used to describe the act of erasing or wiping off something, like writing on a board. It metaphorically indicates the removal of marks or drawings.
Nie powinieneś zetrzeć tego napisu z tablicy.
You should not erase this writing from the board.
In this instance, 'zetrzeć' conveys the meaning of erasing or obliterating something completely, highlighting its effect in nature, like the wind removing traces in the sand.