quinquennial

Etymology
Borrowed from, from + , from  + , from  +  +.

Adjective

 * 1) Of or related to a five-year period.
 * 2) * 2024, Jeremy B. Rudd, A Practical Guide to Macroeconomics, p. 56
 * The best data that BEA have come from the quinquennial censuses of business; these are used to &ldquo;benchmark&rdquo; the national accounts every five years and to compute new input-output tables.
 * The best data that BEA have come from the quinquennial censuses of business; these are used to &ldquo;benchmark&rdquo; the national accounts every five years and to compute new input-output tables.

Translations

 * Catalan:
 * Danish: femårig
 * French:
 * Irish: cúigbhliantúil
 * Italian:
 * Latin: quinquennālis

Noun

 * , a five-year period.
 * 1) A 5th anniversary, particularly
 * , the festival and religious ritual held in the 5th year of a Roman emperor's reign.

Usage notes
In reference to the Roman festival, sometimes used in the plural to match Latin and provide for the variety of events.