Where does “Vaticanist” come from?

Vaticanist (English) comes from English ist, from English -ist, from Old French -iste, from Latin -ista, from Ancient Greek -ιστής, from Ancient Greek -τής, from Proto-Hellenic -tās.

Vaticanist (English): One who strongly adheres to the papal authority;...

Definitions

  1. One who strongly adheres to the papal authority;...

Ancestry of “Vaticanist”, step by step

Vaticanist traces back through two separate lines of ancestry.

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

via English Vatican

StepLanguageWordMeaning
1EnglishVaticanRelating to the Vatican City state
2LatinVātī̆cānus
3Latinvātēsseer, soothsayer, diviner, prophet, prophetess
4Proto-Indo-Europeanweh₂t-excited, inspired; possessed, raging
Every word from Proto-Hellenic -tāsEvery word from English -istEvery word from Ancient Greek -τής