octennial

adjective

oc·​ten·​ni·​al
(ˈ)äk¦tenēəl
1
: happening every eighth year
2
: lasting for a period of eight years

Word History

Etymology

Late Latin octennium period of eight years (from Latin oct- —from octo eight—+ -ennium, from annus year) + English -al

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Dictionary Entries Near octennial

octene

octennial

octet

See More Nearby Entries 

Cite this Entry

“Octennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octennial. Accessed 26 Nov. 2024.

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