transcription, транскрипция: [ ˌäk-tə-jə-ˈner-ē-ən ]
noun
Etymology: Latin octogenarius containing eighty, from octogeni eighty each, from octoginta eighty, from octo eight + -ginta (akin to vi ginti twenty) — more at vigesimal
Date: 1815
: a person whose age is in the eighties
• octogenarian adjective