Where does “mediumship” come from?

Mediumship derives from English medium, from Latin medium (neuter form of medius, meaning middle), ultimately from Proto-Indo-European médʰyos with the same sense.

mediumship (English): The state of being a medium psychic conduit; purported ability to mediate communication between spirits of the dead and living human beings

Definitions

  1. The state of being a medium psychic conduit; purported ability to mediate communication between spirits of the dead and living human beings

Ancestry of “mediumship”, step by step

mediumship traces back through two separate lines of ancestry.

via English ship

StepLanguageWordMeaning
1EnglishshipA water-borne vessel generally larger than a...
2EnglishrelationshipConnection or association; the condition of being...
3EnglishrelationThe manner in which two things may be associated;...
4Middle Englishrelacion
5Old Frenchrelacion
6Latinrelātiōcarrying or bringing back
7Latinreferōto bear, bring, drive, or carry back, off, or away
8Latinrĕ-back, backwards
9Latinprōdūcōto lead or bring forth, forward or out
10Latinprō-forward direction, forward movement
11Proto-Italic*pro-pro- see the Latin entry for further meanings
12Proto-Indo-Europeanpro-toward, forward
13Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
14Proto-Indo-Europeanper-before, in front; first; to go through
15Proto-Indo-Europeanpr̥tóspassed , crossed

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 pr̥tós