Etymology of the English word quadrennium
the English word
quadrenniumderived from the Latin word
quadriennium (period of four years)
derived from the Latin word
annus (year; age)
derived from the Proto-Indo-European root
*at-using the Latin prefix
quadri-derived from the Latin word
quattuor (four)
derived from the Proto-Indo-European root
*kʷetwer-Date
The earliest known usage of quadrennium in English dates from the 17th century.
Usage
Word found in Modern English
