Where does “immune” come from?

Immune comes from Middle French immun, from Latin immunis meaning exempt or free from obligation, composed of the Latin prefix in- and Latin in meaning within, ultimately from Proto-Indo-European ne meaning not.

immune (English): Exempt; not subject to; Protected by inoculation,...

Definitions

  1. Exempt; not subject to; Protected by inoculation,...

Ancestry of “immune”, step by step

StepLanguageWordMeaning
1Latinimmūnisfree or exempt from taxes, public service, or penalty (+ ablative)
2Latinin- -isless, without, lacking
3Latinīn-un-, non-, not
4Latinînin, at, on, upon, from (space)
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin

Words derived from “immune

Every word from Proto-Indo-European h₁én