This is the 16985th most frequent Polish word.
wystarczyć
"To be enough" or "to suffice."
Here, "wystarczyć" indicates inadequacy; the resources (food) were insufficient for the duration mentioned.
Nie wystarczyło nam jedzenia na cały wyjazd.
We didn't have enough food for the whole trip.
In this case, "wystarczyć" implies that an amount (time) might be sufficient for completing a task.
Czy wystarczy ci czasu na wykonanie tego zadania?
Will you have enough time to complete this task?
Here, "wystarczyć" is used to indicate sufficiency or adequacy for the described need.