Where does “Spiritism” come from?

Spiritism comes from English spirit, derived from Ancient Greek -ισμός, both ultimately from Proto-Indo-European (s)peys-, meaning to breathe or blow.

Spiritism (English): A philosophical doctrine, established in France in the mid nineteenth century, postulating that humans are essentially immortal spirits that temporarily inhabit physical bodies, and may have influence on the physical world

Definitions

  1. A philosophical doctrine, established in France in the mid nineteenth century, postulating that humans are essentially immortal spirits that temporarily inhabit physical bodies, and may have influence on the physical world

Ancestry of “Spiritism”, step by step

Spiritism traces back through two separate lines of ancestry.

via English spirit

StepLanguageWordMeaning
1EnglishspiritThe soul of a person or other creature. What...
2Middle Englishspiritlife, vital breath
3Irish-ógused to form diminutives of nouns, or substantive...
4Old Irish-ócDiminutive suffix
5Proto-Brythonic-ọgForms nouns/adjectives from other nouns and...
6Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
7Proto-Indo-European-eh₂ḱos
8Proto-Indo-European-kosCreates deadjectival and desubstantival...

via French spiritisme

StepLanguageWordMeaning
1Frenchspiritismespiritism
2French-ïsme-ism, variant of -isme following vowels
3Latin-ismaAlternative form of -ismus; -ism
4Latin-ismus-ism
5Ancient Greek-ισμόςForms abstract nouns
6Ancient Greek-μόςForms abstract nouns
7Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European -kosEvery word from Irish -ógEvery word from Proto-Celtic -ākos