This is the 630th most frequent Norwegian word.
alder
Age.
Here, 'alder' refers to the concept of age as a numerical value.
Hva er din alder?
What is your age?
In this sentence, 'alder' describes an appropriate stage or maturity in life for a specific context.
Hun har en moden alder for denne jobben.
She has a mature age for this job.
Here, 'alder' refers to the age of a natural object, indicating time since it came into existence.