Where does “Fennist” come from?

Fennist (English) comes from Finnish fennisti, from Finnish -isti, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

Ancestry of “Fennist”, step by step

StepLanguageWordMeaning
1FinnishfennistiFinnicist
2Finnish-isti-ist
3Ancient Greek-ιστήςAlternative form of -τής; -ist
4Ancient Greek-τήςAppended to verbs to form agent nouns
5Proto-Hellenic-tās—
Every word from Proto-Hellenic -tās →Every word from Ancient Greek -τής →Every word from Ancient Greek -ιστής →