Where does “photographometer” come from?
photographometer (English) comes from English photograph, from English photo-, 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-.
photographometer (English): An instrument for determining the sensibility of...
Definitions
- An instrument for determining the sensibility of...
Ancestry of “photographometer”, step by step
photographometer traces back through two separate lines of ancestry.
via English photograph
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | photograph | A picture created by projecting an image onto a... |
| 2 | English | photo- | light, electromagnetic radiation; photography |
| 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- | — |