Where does “insane” come from?

insane (French) comes from English insane, from Latin īnsānus, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

insane (French): crazy; foolish

Definitions

  1. crazy; foolish

Ancestry of “insane”, step by step

StepLanguageWordMeaning
1EnglishinsaneExhibiting unsoundness or disorder of mind; not...
2Latinīnsānusmad, insane, demented
3Latinīn-un-, non-, not
4Latinînin, at, on, upon, from (space)
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →