Where does “Italicism” come from?

Italicism (English) comes from English ism, from English -ism, from Latin -ismus, from Ancient Greek -ισμός, from Ancient Greek -μός, from Proto-Indo-European -mós — Creates action/result nouns from verb stems.

Italicism (English): A phrase or idiom peculiar to the Italian...

Definitions

  1. A phrase or idiom peculiar to the Italian...

Ancestry of “Italicism”, step by step

Italicism traces back through two separate lines of ancestry.

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

via English Italic

StepLanguageWordMeaning
1EnglishItalicOf or relating to the Italian peninsula;...
2LatinītalicusItalic, Italian
3Latin-icusbelonging to; derived from; of or pertaining to;...
4Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
5Ancient Greek-κόςforms adjectives with the sense of 'of or...
6Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism
Italicism — Etymology, Origin & Word History | Etymology Explorer