This is the 1212th most frequent Dutch word.
nieuwe
"Nieuwe" means "new" in English.
The word 'nieuwe' is used here as an adjective modifying the noun 'fiets'.
Ik heb een nieuwe fiets gekocht.
I bought a new bicycle.
Here 'nieuwe' modifies 'stad', indicating that the city is new to the person or persons referred to.
Wij zijn verhuisd naar een nieuwe stad.
We moved to a new city.
'Nieuwe' is utilized as an adjective for the noun 'les', denoting freshness or contemporariness of the lesson.