This is the 1738th most frequent Polish word.
sztab
"Staff" or "headquarters" (often military-related).
In this context, 'sztab' means an ingot, which is a piece of precious metal.
Wykuto sztab złota o wadze pięciu kilogramów.
A gold ingot weighing five kilograms was forged.
In this sentence, 'sztab' refers to a group of individuals organized for a specific purpose, in this case, managing a crisis.
Sztab kryzysowy zebrał się, aby omówić sytuację.
The crisis staff assembled to discuss the situation.
Here, 'sztab' indicates a group of military officers assisting a commander in planning operations.