You may be thinking of a "score", as in Lincoln's Gettysburg Address ('Four score and seven years ago' means 87 years ago.)
It is also called two decades.
Type your answer here... Forty years is 4 decades or two score years.
score and a half. or three decades. Also the period oft accorded to delineate a 'generation'
It used to be called a score. So four score and 7 years would be 87 years.
The word for every twenty years is "score."
The word sesquidecade means 'a period of one and a half decades.' i.e. 15 years.Note: Although the word is in use, we have yet to find it listed in any English dictionary.
A golden jubilee
a silver jubilee
That is the correct spelling of the period of "twenty-seven years" (27 years).
Twenty years
a twenty years old parson called in Hindi "ballig" , because he is not a teenage or a youth
Twenty 'things' is a "Score". Example: Four score years is 80 years.
dodranscentennial
A period of 100 years is called a century.
A period of 10 years is called a decade.
20 years is called a score. This is derived from the Old English word "scoru", which means "twenty", and is used to describe a period of 20 years. A score is sometimes referred to as a "generation" or a "double decade".
A period of 100 years is called a century.
A period of ten years is a decade.