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sexennial
adjective
sex·en·ni·al
\(ˈ)sek¦senēəl\
Definition of sexennial
1 : continuing or lasting six years a sexennial period
2 : occurring, appearing, or being made, done, or acted upon every six years
sexennially
\-əlē, -li\ adverbExplore M-W
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Origin and Etymology of sexennial
Latin sexennium period of six years (from sex six + -ennium, from annus year) + English -al
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