Where does “infrared” come from?
Infrared derives from English red combined with the prefix infra-, from Latin inferus meaning "below," ultimately from Proto-Indo-European h₁rowdʰós and kret-.
infrared (English): electromagnetic radiation of a wavelength longer...
Definitions
- electromagnetic radiation of a wavelength longer...
Ancestry of “infrared”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | infra | Discussed later; Infrastructure |
| 2 | Latin | infra | below |
| 3 | Latin | īnferā | — |
| 4 | French | inférer | to infer |
| 5 | Latin | īnferō | — |
| 6 | Latin | īn- | — |
| 7 | Latin | în | — |
| 8 | Latin | en | lookǃ beholdǃ; reallyǃ?; come onǃ |
| 9 | Proto-Italic | en | in |
| 10 | Proto-Indo-European | h₁én | in |
Words derived from “infrared”