Where does “juvenilism” come from?

juvenilism (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.

juvenilism (English): juvenile behaviour; immaturity

Definitions

  1. juvenile behaviour; immaturity

Ancestry of “juvenilism”, step by step

juvenilism 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 juvenile

StepLanguageWordMeaning
1EnglishjuvenileYoung; not fully developed; Characteristic of...
2Latiniuvenīlisyouthful, juvenile
3Latin-ilis-ile
4Proto-Italic-elis
5Proto-Indo-European-elis
6Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism