Where does “spookism” come from?

spookism (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.

spookism (English): Spooky or ghostly things; spookery

Definitions

  1. Spooky or ghostly things; spookery

Ancestry of “spookism”, step by step

spookism 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 spook

StepLanguageWordMeaning
1EnglishspookA ghost or phantom; A hobgoblin; A scare or...
2Dutchspookphantom, ghost; horror, terror; an annoying and...
3Middle Dutchspoocapparition, ghost; spook, ghost
4Middle Dutchspoke
5Proto-Germanicspōkspook, ghost, apparition; witchcraft, wizardry
Every word from Proto-Indo-European -mós