Where does “femtophotography” come from?
femtophotography (English) comes 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-, from Proto-Indo-European bʰeh₂-s-ri-.
femtophotography (English): A method of photography using sub-picosecond pulses of light (usually around 10-13 seconds, or 100 femtoseconds, long) to illuminate the subject of the photograph, allowing the propagation of the light pulse to be viewed directly
Definitions
- A method of photography using sub-picosecond pulses of light (usually around 10-13 seconds, or 100 femtoseconds, long) to illuminate the subject of the photograph, allowing the propagation of the light pulse to be viewed directly
Ancestry of “femtophotography”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | photography | The art and technology of producing images on... |
| 2 | French | photographie | photography; photograph |
| 3 | Ancient Greek | φωτο- | — |
| 4 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 5 | Proto-Hellenic | pʰáos | — |
| 6 | Proto-Indo-European | bʰéh₂os | — |
| 7 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 8 | Proto-Indo-European | bʰeh₂-s-ri- | — |