This is the 135th most frequent Polish word.
nowy
"Nowy" means "new" in English.
Here, 'nowy' is used as an adjective describing the noun 'car', indicating that the car is new.
Mam nowy samochód.
I have a new car.
In this sentence, 'nowy' serves as an adjective modifying the noun 'projekt', signifying a temporal novelty of the project.
Czy to jest twój nowy projekt?
Is this your new project?
Here, 'nowy' qualifies the noun 'dom' to describe its state of being newly acquired or constructed.