This is the 5493rd most frequent Polish word.
towarzyszące
Accompanying.
Here, "towarzyszące" acts as the adjective describing "emocje" (emotions), indicating that the emotions accompany the specified situation.
Towarzyszące sytuacji emocje były bardzo intensywne.
The emotions accompanying the situation were very intense.
The word "towarzyszący" is used to describe "ból" (pain), signifying that the pain occurs along with the illness.
Ból towarzyszący chorobie jest trudny do zniesienia.
The pain accompanying the illness is difficult to bear.
"Towarzyszących" here modifies "problemów" (problems), indicating that these problems coexist or are linked with the mentioned change.