A period of five years is called a "quinquennium." This term is derived from Latin, where "quinque" means five and "annus" means year. It is often used in various contexts, such as in finance, governance, and historical studies.
Half a century or five decades
A period of 100 years is called a century. For example, the 20th century refers to the years from 1901 to 2000. Additionally, a period of 1,000 years is referred to as a millennium.
That's called a millenium.
A period of 25 years is called a "quarter century." This term is often used to refer to significant milestones or anniversaries that occur every 25 years.
The simple interest over a period of five years is $463.70
a five-year period is a quinquennium
What funds are available for new obligations for a period of five years
The Gram Panchayat functions for a period five years.
It has no individual name
There is no widely used term for such a period.
sevennenium
generation
100 years is a "century."
It's just five years, but you could say "Half a decade" if you want to be fancy.
A golden jubilee
a silver jubilee
term millennium