Where does “arsonism” come from?

arsonism (English) comes from English arson, from Old French arson, from Old French ardre, from Latin ārdeō, from Latin ardus, from Latin āridus, from Latin āreō, from Proto-Italic āzēō — to be/become dry; to burn, to glow; hearth.

arsonism (English): The tendency to commit arson

Definitions

  1. The tendency to commit arson

Ancestry of “arsonism”, step by step

arsonism traces back through two separate lines of ancestry.

via English arson

StepLanguageWordMeaning
1EnglisharsonThe crime of deliberately starting a fire with...
2Old Frencharsonburning; fire; arson; sunburn
3Old Frenchardrealternative infinitive of ardoir
4Latinārdeōto burn
5LatinardusAlternative form of aridus
6Latināridusdry, parched, withered, arid
7Latināreōto be dry or parched
8Proto-ItalicāzēōI am dry
9Proto-Indo-Europeanh₂eHseh₁(ye)-
10Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

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 h₂eHs-
arsonism — Etymology, Origin & Word History | Etymology Explorer