Where does “Hindouist” come from?

Hindouist (English) comes from French hindouiste, from French -iste, from Latin -ista, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

Hindouist (English): Hindu

Definitions

Hindu

Ancestry of “Hindouist”, step by step

Step	Language	Word	Meaning
1	French	hindouiste	Hindu
2	French	-iste	-ist; -istic
3	Latin	-ista	-ist; one who practises or believes
4	Ancient Greek	-ιστής	Alternative form of -τής; -ist
5	Ancient Greek	-τής	Appended to verbs to form agent nouns
6	Proto-Hellenic	-tās	—

Every word from Proto-Hellenic -tās →Every word from Ancient Greek -τής →Every word from French -iste →