This is the 13141st most frequent German word.
angeschwollenen
Swollen.
In this sentence, 'angeschwollene' is used as an adjective describing the state of the knee, referring to its physical condition (swollen).
Der Arzt untersuchte das angeschwollene Knie des Patienten.
The doctor examined the swollen knee of the patient.
Here, 'angeschwollene' specifies the condition of the man's face, denoting that it was puffed up or inflamed, typical of an allergic reaction.
Das angeschwollene Gesicht des Mannes war ein Anzeichen für eine Allergie.
The swollen face of the man was a sign of an allergy.
In this context, 'angeschwollenen' describes the arm, indicating it was puffed up or inflamed likely due to injury from the accident.