Where does “Rotarianism” come from?

Rotarianism (English) comes from English Rotarian, from English rotary, from Medieval Latin rotarius, from Latin Rota, from Proto-Italic rotā, from Proto-Indo-European Hróth₂-eh₂, from Proto-Indo-European Hreth₂- — to run.

Rotarianism (English): The activities and mission of Rotary Clubs

Definitions

  1. The activities and mission of Rotary Clubs

Ancestry of “Rotarianism”, step by step

Rotarianism traces back through two separate lines of ancestry.

via English Rotarian

StepLanguageWordMeaning
1EnglishRotarianA member of a Rotary Club
2EnglishrotaryCapable of rotation; A traffic circle; Any of the...
3Medieval Latinrotarius
4LatinRotaan ecclesiastical appellate court in the Catholic...
5Proto-Italicrotā
6Proto-Indo-EuropeanHróth₂-eh₂
7Proto-Indo-EuropeanHreth₂-to run

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 Proto-Indo-European Hreth₂-Every word from Proto-Indo-European Hróth₂-eh₂Every word from Proto-Italic rotā