Where does “reunionism” come from?

reunionism (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.

reunionism (English): A policy in favour of reunion

Definitions

  1. A policy in favour of reunion

Ancestry of “reunionism”, step by step

reunionism 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 Réunion

StepLanguageWordMeaning
1EnglishRéunionThe process or act of reuniting
2FrenchRéunionmeeting
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism