Where does “photocenter” come from?
photocenter (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-.
photocenter (English): The centre of light production of a dispersed...
Definitions
- The centre of light production of a dispersed...
Ancestry of “photocenter”, step by step
photocenter 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 Center
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Center | The point in the interior of a circle that is equidistant from all points on the circumference |
| 2 | Middle English | center | — |
| 3 | Middle French | centre | — |
| 4 | Latin | centrum | center |
| 5 | Ancient Greek | κέντρον | Something with a sharp point: point, spike, spur;... |
| 6 | Proto-Hellenic | *kéntron | — |
| 7 | Proto-Indo-European | *ḱéntrom | pointed tool |