Where does “photoconvulsion” come from?
photoconvulsion (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-.
photoconvulsion (English): A convulsion in response to a flickering light
Definitions
- A convulsion in response to a flickering light
Ancestry of “photoconvulsion”, step by step
photoconvulsion 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 convulsion
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | convulsion | An intense, paroxysmal, involuntary muscular... |
| 2 | Latin | convulsiō | convulsion |
| 3 | Latin | convulsus | shattered, battered, convulsed; overthrown |
| 4 | Latin | convellere | third-person plural perfect active indicative of... |
| 5 | Latin | convello | I shatter, batter, convulse; I overthrow |
| 6 | Latin | vello | I pluck out; I depilate; I pull or tear down; I... |
| 7 | Proto-Italic | welnō | to pull, tear |
| 8 | Proto-Indo-European | welh₃- | to hit, to strike |