sexennial

adjective

sex·​en·​ni·​al

(ˈ)sek¦senēəl

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

adverb

Word History

Etymology

Latin sexennium period of six years (from sex six + -ennium, from annus year) + English -al

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