Etymology of the English word decennium
the English word
decenniumderived from the Latin word
decennium (period of ten years; festival)
derived from the Latin word
decem (ten)
derived from the Proto-Indo-European root
*dekmâ‚€derived from the Latin word
annus (year; age)
derived from the Proto-Indo-European root
*at-Date
The earliest known usage of decennium in English dates from the 17th century.
Derivations in English
decennaryUsage
Word found in Modern English
