octaeteric

== English == === Etymology === From octaeteris +‎ -ic. === Adjective === octaeteric (not comparable) Octennial, related to or characterized by an eight-year period. ==== Synonyms ==== octennial ==== Related terms ==== (noun): octaeteris trieteric penteteric ==== See also ==== (longer lunar cycle): Metonic === Anagrams === ecorticate