This is the 12459th most frequent Polish word.
nadwyżkę
"Surplus" or "excess."
Here, 'nadwyżkę' denotes excess manufactured goods that need distribution.
Fabryka ma nadwyżkę produktów, które musi jak najszybciej sprzedać.
The factory has a surplus of products that it must sell as soon as possible.
Here, 'nadwyżkę' refers to a quantitative surplus, particularly money exceeding the planned budget.
Mam nadwyżkę w budżecie na ten miesiąc.
I have a surplus in the budget for this month.
In this context, 'nadwyżkę' indicates an excess amount of grain produced, beyond the immediate needs.