Etymology Explorer › English

Where does “insane” come from?

Insane derives from Latin insanus, formed from the prefix in- and the root of Latin sanus, ultimately from Proto-Indo-European ne, meaning "not."

insane (English): Exhibiting unsoundness or disorder of mind; not...

Definitions

  1. Exhibiting unsoundness or disorder of mind; not...

Ancestry of “insane”, step by step

StepLanguageWordMeaning
1Latinīnsānus—
2Latinīn-—
3Latinîn—
4Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
5Proto-Italicenin
6Proto-Indo-Europeanh₁énin

Words derived from “insane”

  • insanity
  • insanely
  • noninsane
  • insaneness
  • insanery
  • insane
Every word from Proto-Indo-European h₁én →