Where does “Mexicanism” come from?

Mexicanism (English) comes from English Mexican, from Czech -an, from Old Czech -ěnín, from Proto-Slavic -janinъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Mexicanism (English): A word, usage, or linguistic feature particular to Mexican Spanish or Mexican English

Definitions

  1. A word, usage, or linguistic feature particular to Mexican Spanish or Mexican English

Ancestry of “Mexicanism”, step by step

Mexicanism traces back through two separate lines of ancestry.

via English Mexican

StepLanguageWordMeaning
1EnglishMexicanA Mexica; an Aztec; The Nahuatl language; A...
2Czech-anForms nouns, including inhabitant names
3Old Czech-ěnínforms nouns, including inhabitant names
4Proto-Slavic-janinъCreates male dweller terms from toponyms or place...
5Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix

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 -no-