This is the 13037th most frequent Polish word.
odnalezieni
"Found" or "rediscovered."
Here, 'odnalezieni' operates as an adjective derived from a participle, describing the state of being found after a while, specifically referring to the friends.
Odnalezieni po wielu latach przyjaciele cieszyli się spotkaniem.
Found after many years, friends enjoyed their reunion.
In this sentence, 'odnalezieni' is used to indicate the location or discovery of archaeologists who were found and later made a discovery.
Odnalezieni archeologowie odkryli starożytny grobowiec.
The found archaeologists discovered an ancient tomb.
Here, 'odnalezieni' modifies 'materiały,' showing the origin of the materials being recently found in a specified place.