quinquennalian

== English == === Etymology 1 === From Latin quīnquennis (“5-year”) + -an, from quīnque (“five”) + annus (“year”) + -is (“forming compound adjectives”). ==== Adjective ==== quinquennalian (not comparable) Synonym of quinquennial: Of or related to a 5-year period. === Etymology 2 === From quinquennalia + -an. ==== Adjective ==== quinquennalian (not comparable) (historical) Of or related to a quinquennalia. === References === “quinquennalian, adj.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.