Where does “Medism” come from?

Medism (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.

Medism (English): The adoption of Persian interests by a Greek, regarded as treachery

Definitions

  1. The adoption of Persian interests by a Greek, regarded as treachery

Ancestry of “Medism”, step by step

Medism 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 Mede

StepLanguageWordMeaning
1EnglishMedeAny of a Western Iranian people who inhabited the...
2LatinMēdus
3Ancient GreekΜῆδοςan inhabitant of Media; a Mede or Median
4Old MedianMada
Every word from Proto-Indo-European -mós