Where does “Rousseauist” come from?

Rousseauist (English) comes from English Rousseau, from French rousseau, from French roux, from Old French ros, from Latin russus, from Latin Russia, from Old East Slavic Русь, from Finnish ruotsi — to row; to separate; loose, sparse, rare.

Rousseauist (English): A follower of Jean-Jeacques Rousseau's...

Definitions

  1. A follower of Jean-Jeacques Rousseau's...

Ancestry of “Rousseauist”, step by step

Rousseauist traces back through two separate lines of ancestry.

via English Rousseau

StepLanguageWordMeaning
1EnglishRousseauJean-Jacques Rousseau (1712–1778), Genevan philosopher
2Frenchrousseauredhead
3Frenchrouxrusset; ginger; redhead
4Old Frenchrosreed, tooth of a weaver's comb
5Latinrussusred, reddish-brown
6LatinRussia
7Old East SlavicРусьRus; Ruthenia
8FinnishruotsiSwedish
9Proto-Finnic*roocciSwede originally anyone from Roslagen
10Old Swedishroþs-related to rowing
11Old Norseróðrrowing
12Proto-Germanicrōþrąoar; rudder
13Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via English ist

StepLanguageWordMeaning
1EnglishistA practitioner or supporter of an ism
2English-istAdded to words to form nouns denoting
3Old French-iste
4Latin-ista-ist; one who practises or believes
5Ancient Greek-ιστήςAlternative form of -τής; -ist
6Ancient Greek-τήςAppended to verbs to form agent nouns
7Proto-Hellenic-tās
Every word from Proto-Indo-European h₁reh₁-Every word from Old Swedish roþs-Every word from Proto-Finnic *roocci