Where does “mediumism” come from?

mediumism (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.

mediumism (English): The actions of a medium

Definitions

  1. The actions of a medium

Ancestry of “mediumism”, step by step

mediumism 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 Medium

StepLanguageWordMeaning
1EnglishMediumThe material of the surrounding environment, e.g. solid, liquid, gas, vacuum, or a specific substance such as a solvent
2Latinmediuminflection of medius: ## masculine accusative...
3Proto-Italicmeðjosmiddle
4Proto-Indo-Europeanmédʰyosmiddle
5Proto-Indo-Europeanmedʰi-with, among; with, along
6Proto-Indo-Europeanmein the middle of, near, by, around, with
Every word from Proto-Indo-European -mós