This is the 489th most frequent Czech word.
new
The Czech word for "new" is **"nový"**, meaning recently made, introduced, or starting anew.
The word 'new' in this sentence is used as an adjective describing the car, implying it is recently acquired and likely unused.
Koupil jsem nové auto.
I bought a new car.
In this case, 'new' serves as an adjective modifying the day, signifying the day is just starting or commencing fresh.
Začne nový den.
A new day begins.
Here, 'new' functions as an adjective qualifying the rules, indicating they have been recently introduced or changed.