This is the 15391st most frequent German word.
vergeht
"Vergeht" means "passes" or "elapses" (in the sense of time passing).
Here, 'vergeht' describes the passing of time, emphasizing how quickly it moves.
Die Zeit vergeht wie im Flug.
Time flies by.
Here, 'vergeht' is used figuratively to indicate that pain diminishes and eventually ceases as time progresses.
Der Schmerz vergeht mit der Zeit.
The pain goes away with time.
In this context, 'vergeht' is used to describe the persistence of a memory, implying it does not disappear over time.