Where does “poltergeistism” come from?

poltergeistism (English) comes from English poltergeist, from German Poltergeist, from German geist, from Middle High German geist, from Old High German geist, from Proto-West Germanic gaist, from Proto-Germanic gaistaz, from Proto-Indo-European ǵʰeysd- — anger, agitation.

poltergeistism (English): The supposed manifestation of the presence of one...

Definitions

  1. The supposed manifestation of the presence of one...

Ancestry of “poltergeistism”, step by step

poltergeistism traces back through two separate lines of ancestry.

via English poltergeist

StepLanguageWordMeaning
1EnglishpoltergeistAn unseen ghost which makes noises and causes...
2GermanPoltergeistpoltergeist
3Germangeistspirit
4Middle High Germangeist
5Old High Germangeistspirit
6Proto-West Germanicgaistghost, spirit
7Proto-Germanicgaistazterror, fear; spirit, ghost; mind
8Proto-Indo-Europeanǵʰeysd-anger, agitation

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
Every word from Proto-Indo-European ǵʰeysd-Every word from Proto-Germanic gaistazEvery word from Proto-West Germanic gaist