quadrennium

English

Etymology

From Latin quadrennium, from quadri- (“four”) + annus (“year”) + -ium (“-ium: forming neuter nouns”).

Pronunciation

• IPA^(key): /kwɑˈdɹɛnːjəm/

Noun

quadrennium (plural quadrenniums or quadrennia)

1. A period of 4 years, (especially historical astronomy) the sets of four years in the Egyptian and Greek calendars.

Synonyms

• tetraeteris, tetraeterid

Related terms

• quadrennial
• (3-year period): triennium
• (5-year period): quinquennium, quinquenniad, quintennium, lustrum
• 10-year period: decade
• 100-year period: century
• 1000-year period: millennium