年数 (nensuu) Japanese meaning: number of years | KotomoraHow many years have you been with the company?
This car is already over ten years old.
Usage patterns
年数が経つfor a number of years to pass
This house has had quite a few years pass since it was built.
年数がかかるto take a number of years
It takes many years to master this skill.
年数を重ねるto accumulate years (of experience, use, etc.)
He is a craftsman who has built up years of experience on the job.