Where does “mediumist” come from?

mediumist (English) comes from English ist, from English -ist, from Old French -iste, from Latin -ista, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

mediumist (English): A spiritualist; a medium

Definitions

  1. A spiritualist; a medium

Ancestry of “mediumist”, step by step

mediumist traces back through two separate lines of ancestry.

via English ist

StepLanguageWordMeaning
1EnglishistA practitioner or supporter of an ism
2English-istAdded to words to form nouns denoting
3Old French-iste
4Latin-ista-ist; one who practises or believes
5Ancient Greek-ιστήςAlternative form of -τής; -ist
6Ancient Greek-τήςAppended to verbs to form agent nouns
7Proto-Hellenic-tās

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-Hellenic -tās