This is the 3283rd most frequent Catalan word.
travessar
To cross or to go through.
In this sentence, 'travessar' is used in its literal sense meaning 'to cross' a physical boundary, such as a street.
Vaig travessar el carrer per saludar el meu amic.
I crossed the street to greet my friend.
Here, 'travessar' is used figuratively, meaning 'to pass through' in the context of an idea coming to someone's mind.
Una idea brillant va travessar la seva ment.
A brilliant idea crossed his mind.
In this context, 'travessar' is employed to indicate passing through something, emphasizing penetration, like rain through windows.