Where does “bigwigism” come from?

bigwigism (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.

Ancestry of “bigwigism”, step by step

bigwigism 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 bigwig

StepLanguageWordMeaning
1EnglishbigwigA person of importance to a group or organization
2EnglishwigA head of real or synthetic hair worn on the head...
3EnglishperiwigA wig, especially any kind of stylised wig as...
4Frenchperruquewig; wig, periwig, peruke
5ItalianperruccaAlternative form of parrucca
6Italianparruccawig
Every word from Proto-Indo-European -mós →Every word from English -ism →Every word from English ism →