Where does “Whistlerism” come from?

Whistlerism (English) comes from English Whistler, from Old English hwistlere, from Old English -ere, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Whistlerism (English): The artistic style of the artist James Abbott McNeill Whistler (1834–1903)

Definitions

  1. The artistic style of the artist James Abbott McNeill Whistler (1834–1903)

Ancestry of “Whistlerism”, step by step

Whistlerism traces back through two separate lines of ancestry.

via English Whistler

StepLanguageWordMeaning
1EnglishWhistlerA placename
2Old Englishhwistlerepiper, fluter, flautist
3Old English-eremasculine agent suffix, originally applied only...
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

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-Italic *-āziosEvery word from Latin -āriusEvery word from Old English -ere