Where does “photoelectron” come from?
Photoelectron derives from English photo- and electron, where electron comes from Ancient Greek ἤλεκτρον, ultimately from Proto-Indo-European bʰeh₂- meaning to shine or appear.
photoelectron (English): An electron ejected from the surface of a...
Definitions
- An electron ejected from the surface of a...
Ancestry of “photoelectron”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | photo- | light, electromagnetic radiation; photography |
| 2 | Ancient Greek | φωτο- | — |
| 3 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 4 | Proto-Hellenic | pʰáos | — |
| 5 | Proto-Indo-European | bʰéh₂os | — |
| 6 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 7 | Proto-Indo-European | bʰeh₂-s-ri- | — |