Where does “bigwigism” come from?

bigwigism (English) comes from English bigwig, from English big, from Middle English big, from Middle English biggen, from Old Norse byggja, from Proto-Germanic būwijaną, from Proto-Germanic būaną, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “bigwigism”, step by step

bigwigism traces back through two separate lines of ancestry.

via English bigwig

StepLanguageWordMeaning
1EnglishbigwigA person of importance to a group or organization
2EnglishbigOf great size, large; Thought to have undue...
3Middle Englishbig
4Middle Englishbiggenbuild; dwell
5Old Norsebyggjato settle, build; to inhabit, dwell, live; to let...
6Proto-Germanicbūwijanąto settle, to inhabit
7Proto-Germanicbūanąto dwell, reside
8Proto-Indo-EuropeanbʰuH-to become, grow, appear

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 bʰuH-