This is the 6719th most frequent Catalan word.
servicio
"Servicio" is Spanish, not Catalan, and means "service" or "bathroom" depending on context.
Here, 'servei' refers to a service provided, specifically transportation.
El servei de tren arriba puntual.
The train service arrives on time.
In this sentence, 'servei' denotes the quality of assistance or customer service at a restaurant.
Aquest restaurant ofereix un servei excel·lent.
This restaurant provides excellent service.
In colloquial Catalan, 'servei' can also refer to a restroom or lavatory.