Where does “unilingualist” come from?

unilingualist (English) comes from English unilingual, from English lingual, from Latin linguālis, from Latin lingua, from Latin -ula, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

Ancestry of “unilingualist”, step by step

unilingualist traces back through two separate lines of ancestry.

via English unilingual

StepLanguageWordMeaning
1Englishunilingualknowing or using a single language; a person who...
2Englishlingualrelated to the tongue; related to language or...
3Latinlinguālislingual
4Latinlinguatongue; a speech; an utterance or expression
5Latin-ularegō + API → rēgula; tegō + API → tēgula;...
6Proto-Indo-European-tlomAlternative form of *-trom
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

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 -tḗrEvery word from Latin -ulaEvery word from Latin lingua
unilingualist — Etymology, Origin & Word History | Etymology Explorer