Seniority (noun)

1. Noun: the state of being older or more advanced in age.
2. Noun: status or rank based on length of service or experience.
3. Noun: the state of having a higher rank or status.

Origin:

From latin word "senior" meaning "older" or "more advanced in age".

Examples:

1. He was given the promotion due to his seniority in the company.
2. The employees with the most seniority were given the first opportunity to transfer to the new location.
3. The seniority of the employees was taken into consideration when deciding who would be laid off.
4. The seniority system was used to determine who would get the first pick of the available shifts.
5. The seniority of the employee was the main factor in determining their pay scale.