Where does “dialectism” come from?

dialectism (English) comes from English dialect, from Middle French dialecte, from Latin dialectos, from Ancient Greek διάλεκτος, from Ancient Greek διαλέγομαι, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís — two.

dialectism (English): A word or phrase found in a particular dialect

Definitions

  1. A word or phrase found in a particular dialect

Ancestry of “dialectism”, step by step

dialectism traces back through two separate lines of ancestry.

via English dialect

StepLanguageWordMeaning
1EnglishdialectA variety of a language that is characteristic of...
2Middle Frenchdialectedialect
3Latindialectosa dialect; Nihilo lenior in convictores...
4Ancient Greekδιάλεκτοςdiscourse, conversation; manner of speech,...
5Ancient GreekδιαλέγομαιI converse, hold a discussion, debate, argue; I...
6Ancient Greekδῐᾰ-apart; through, across; through; in different...
7Ancient Greekδιάthroughout
8Proto-Indo-Europeandwístwice, doubly; in two
9Proto-Indo-Europeandwóh₁two

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European dwóh₁