This is the 5934th most frequent Polish word.
zniszczonego
"Zniszczonego" means "destroyed" or "damaged" in English.
In this sentence, "zniszczonego" is used as an adjective describing the noun "domu" (house), in the genitive case, indicating the house that was destroyed.
Naprawialiśmy dach zniszczonego domu.
We were repairing the roof of the destroyed house.
Here, "zniszczonego" serves as a past participle used as an attributive description in a negative context with "nic" (nothing), conveying the idea of the absence of destroyed items.
Nie zobaczyłem tam nic zniszczonego.
I didn't see anything destroyed there.
In this example, "zniszczonego" describes "miasta" (city) in the genitive case, highlighting that the city had undergone destruction.