Where does “photoretinoscope” come from?
photoretinoscope (English) comes from English photo, from English photography, from French photographie, from Ancient Greek φωτο-, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-.
photoretinoscope (English): but especially one that uses a particular form of light (such as infrared)
Definitions
- but especially one that uses a particular form of light (such as infrared)
Ancestry of “photoretinoscope”, step by step
photoretinoscope traces back through two separate lines of ancestry.
via English photo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | photo | A photograph; A photo finish; To take a... |
| 2 | English | photography | The art and technology of producing images on... |
| 3 | French | photographie | photography; photograph |
| 4 | Ancient Greek | φωτο- | — |
| 5 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 6 | Proto-Hellenic | pʰáos | — |
| 7 | Proto-Indo-European | bʰéh₂os | — |
| 8 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 9 | Proto-Indo-European | bʰeh₂-s-ri- | — |
via English retinoscope
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | retinoscope | An instrument used for examining the refraction... |
| 2 | English | -scope | Used to make terms denoting an instrument used... |
| 3 | Ancient Greek | σκοπέω | I look, look at, behold; I examine, inspect; 413... |
| 4 | Ancient Greek | σκοπός | watcher, lookout; protector, guardian; spy, scout |
| 5 | Ancient Greek | σκέπτομαι | I look at, examine; I examine, consider, think |
| 6 | Proto-Hellenic | sképťomai | to look at |
| 7 | Proto-Indo-European | spéḱyeti | to be looking at, to keep looking at |
| 8 | Proto-Indo-European | speḱ- | to see, to look, to observe |