octogenary

adjective

oc·​tog·​e·​nary

(ˈ)äk¦täjəˌnerē

1

: octogenarian

2

: based on the number 80

Word History

Etymology

Latin octogenarius containing or consisting of eighty, from octogeni eighty each (from octoginta eighty, from octo eight + -ginta —akin to Latin -ginti in viginti twenty) + -arius -ary

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