Where does “octogenarianism” come from?

octogenarianism (English) comes from English octogenarian, from French octogénaire, from Latin octogenarius, from Latin Arīus, from Ancient Greek Ἄρειος, from Ancient Greek Ἄρης, from Ancient Greek ἀρή — bane, ruin.

octogenarianism (English): The state or condition of being an octogenarian

Definitions

  1. The state or condition of being an octogenarian

Ancestry of “octogenarianism”, step by step

octogenarianism traces back through two separate lines of ancestry.

via English octogenarian

StepLanguageWordMeaning
1Englishoctogenarianbeing between the age of 80 and 89, inclusive; of...
2Frenchoctogénaireoctogenarian
3Latinoctogenariuseighty; eighty-year-old
4LatinArīusThe main river of Aria, now the Hari (Afghanistan)
5Ancient GreekἌρειοςdevoted to Ares; pertaining to Ares
6Ancient GreekἌρηςAres; the planet Mars; {{l|en|Ares}}
7Ancient Greekἀρήbane, ruin

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Ancient Greek ἀρήEvery word from Ancient Greek ἌρηςEvery word from Ancient Greek Ἄρειος