Where does “extinctionist” come from?

extinctionist (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.

extinctionist (English): An advocate of extinctionism; A player who plays...

Definitions

  1. An advocate of extinctionism; A player who plays...

Ancestry of “extinctionist”, step by step

extinctionist 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 extinction

StepLanguageWordMeaning
1EnglishextinctionThe action of making or becoming extinct;...
2LatinextinctioAlternative form of exstinctiō; extinction,...
3Latinextingueresecond-person singular future passive indicative...
4LatinextinguoI quench, extinguish, kill
5LatinstinguoI put out, extinguish
6Proto-Italic*stengʷōto push
Every word from Proto-Hellenic -tās