This is the 4253rd most frequent Polish word.
dowodowy
Pertaining to evidence or proof.
Here, 'dowodowy' is used as an adjective to describe a document as related to evidence or proof.
To jest dowodowy dokument.
This is an evidential document.
In this sentence, 'dowodowa' modifies 'sala', indicating that the room is associated with evidence or testimonies.
Stół w sali dowodowej był zdobiony oficjalnymi dokumentami.
The table in the evidentiary room was adorned with official documents.
'Dowodowy' describes the 'aspect', emphasizing its relation to evidence in the given matter.