Octogenarian (noun)

A person who is between 80 and 89 years old.

Origin:

The word 'octogenarian' comes from the latin word 'octoginta' which means 'eighty'.

Examples:

1. The octogenarian was a lively and energetic person who enjoyed traveling.
2. The octogenarian was a respected member of the community who was loved by all.
3. The octogenarian was a wise and experienced person who shared his knowledge with others.
4. The octogenarian was a talented artist who had created many beautiful works of art.
5. The octogenarian was a successful businessman who had built a successful career over many years.