Where does “nostalgism” come from?

nostalgism (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.

nostalgism (English): A nostalgic attitude

Definitions

  1. A nostalgic attitude

Ancestry of “nostalgism”, step by step

nostalgism 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 nostalgia

StepLanguageWordMeaning
1EnglishnostalgiaA longing for home or familiar surroundings;...
2New Latinnostalgia
3Ancient Greekνόστοςthe act of reaching a place: journey, arrival;...
4Ancient Greek-τοςCreates perfective passive verbal adjectives;...
5Proto-Indo-European-tósCreates verbal adjectives from verb stems
Every word from Proto-Indo-European -mós