quinquennial

Definition

Of or related to a five-year period.

Etymology

Borrowed from Latin quīnquenniālis, from quīnquennium (“5-year period”) + -ālis, from quīnquennis (“5-year”) + -ium (“-ium: forming abstract nouns”), from quīnque (“five”) + annus (“year”) + -is (suffix forming compound adjectives).

Example Sentences

• "By a singular coincidence, the great master of the Dorian lyre was born during the celebration of the Pythia, the quinquennial festival of Apollo[…]"
• "The best data that BEA have come from the quinquennial censuses of business; these are used to “benchmark” the national accounts every five years and to compute new input-output tables."