Where does “alteregoism” come from?

alteregoism (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.

alteregoism (English): Altruism as a result of the identification of others with oneself

Definitions

  1. Altruism as a result of the identification of others with oneself

Ancestry of “alteregoism”, step by step

alteregoism 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 alter ego

StepLanguageWordMeaning
1Englishalter egoSomebody's alternate personality or persona;...
2Latinalter egoother self
Every word from Proto-Indo-European -mós