Origin: Latin suffix -tion
Duplication has 3 different meanings across 1 category:
a copy that corresponds to an original exactly
"he made a duplicate for the files"
the act of copying or making a duplicate (or duplicates) of something
"this kind of duplication is wasteful"
The act of duplicating.
"The duplication of the rare manuscript was completed before the ink had even dried."
The word entered English via the Old Northumbrian dialect in 1789 as a variant of "duplicate," originally meaning to make two copies or doubles. It derives its root from the Late Latin duplicātiō, which comes from the verb duplicō signifying doubling something.