Where does “senilism” come from?

senilism (English) comes from English senile, from French sénile, from Old French senile, from Latin senīlis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

senilism (English): Premature old age

Definitions

  1. Premature old age

Ancestry of “senilism”, step by step

senilism traces back through two separate lines of ancestry.

via English senile

StepLanguageWordMeaning
1EnglishsenileOf, or relating to old age; Exhibiting the...
2Frenchsénilesenile
3Old Frenchsenilerelating to old age
4Latinsenīlischaracteristic of or pertaining to old people; aged or elderly; senile
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lós