Where does “sexagenarianism” come from?

sexagenarianism (English) comes from English ism, from English -ism, from Latin -ismus, from Ancient Greek -ισμός, from Ancient Greek -μός, from Proto-Indo-European -mós — Creates action/result nouns from verb stems.

sexagenarianism (English): The condition of being between 60 and 69 years old

Definitions

  1. The condition of being between 60 and 69 years old

Ancestry of “sexagenarianism”, step by step

sexagenarianism traces back through two separate lines of ancestry.

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

via English sexagenarian

StepLanguageWordMeaning
1EnglishsexagenarianBeing between the age of 60 and 69, inclusive. In...
2Latinsexagenariusof or relating to sixty; sexagenary, sixty years...
3Latinsexāgēnussixty each; sixty at a time
4Latinsexāgintāsixty; 60
5Proto-Indo-Europeansweḱsḱomt
6Proto-Indo-Europeanswéḱs-dḱomtsix-ten
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism