score
bidecadal
Convicts to Australia were transported for seven years, fourteen years, twenty-one years or the term of their natural life.
The term "score," meaning a period of twenty years, originates from Old English and is derived from the word "sceor," which means "twenty." This usage was popularized in historical contexts, particularly in biblical references, such as Abraham Lincoln's famous Gettysburg Address, where he begins with "Four score and seven years ago." The term reflects an older counting system where a "score" was a convenient way to quantify large numbers, especially in oral traditions.
I would think that it means 21 years old.
Threescore is an archaic term that refers to the number sixty. In modern terms, threescore is equivalent to sixty years old. This term is commonly found in older literature and historical documents.
1,000,000,000,000,000 years
a score is 20 twenty years, so score half means 10 years.
veintidos años means twenty two years old
Eight score and ten is 170-years. A score equals twenty-years. The most famous use of the word score, is in the Gettysburg Address. Score is a slang term for a twenty-dollar bill.
26...a score = twenty (as in "...four score & seven years ago..." means 87 years)
Twenty is a score so twenty years is a score of years.
Biennial means every two years.