Where does “incendiarism” come from?

incendiarism (English) comes from English incendiary, from Old French incendiaire, from Latin incendiārius, from Latin incendium, from Latin incendō, from Latin īn-, from Latin în, from Latin en — in.

incendiarism (English): The act or practice of burning property; arson;...

Definitions

  1. The act or practice of burning property; arson;...

Ancestry of “incendiarism”, step by step

StepLanguageWordMeaning
1EnglishincendiaryCapable of, or used for, or actually causing...
2Old Frenchincendiaire
3Latinincendiāriuscausing a conflagration, setting on fire
4LatinincendiumA fire, inferno, conflagration; heat; torch;...
5Latinincendōto set on fire, burn, kindle
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en