Where does “hobgoblinism” come from?

hobgoblinism (English) comes from English hobgoblin, from English Hob, from Middle English Hob, from English robin, from Middle English Robin, from Old French Robert, from Frankish berht, from Proto-Germanic berhtaz — army.

Ancestry of “hobgoblinism”, step by step

hobgoblinism traces back through two separate lines of ancestry.

via English hobgoblin

StepLanguageWordMeaning
1EnglishhobgoblinA small, ugly goblin that makes trouble for...
2EnglishHobA nickname for Robin Goodfellow, Puck; later the devil
3Middle EnglishHob
4EnglishrobinAny of various passerine birds of the families...
5Middle EnglishRobin
6Old FrenchRoberta Germanic (Old Frankish) borrowing
7Frankishberhtbright
8Proto-Germanicberhtazbright, shining
9Proto-Germanichrabnazraven
10Proto-Indo-Europeanḱorh₂-
11Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
12Proto-Indo-Europeankr̥-to turn, to bend
13Proto-Indo-Europeanker-army

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 ker-
hobgoblinism — Etymology, Origin & Word History | Etymology Explorer