Where does “cathode” come from?
Cathode derives from Ancient Greek κατά, from Proto-Indo-European ḱóm meaning "with" or "together," ultimately from the root ḱe.
cathode (English): An electrode, of a cell or other electrically...
Definitions
- An electrode, of a cell or other electrically...
Ancestry of “cathode”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Ancient Greek | κάθοδος | way down, descent |
| 2 | Ancient Greek | κατά | |
| 3 | Ancient Greek | καταστερίζω | to place among the stars; I put among the stars |
| 4 | Ancient Greek | ἀστήρ | a celestial body; illustrious person; starfish |
| 5 | Proto-Hellenic | astḗr | star |
| 6 | Proto-Indo-European | h₂stḗr | star |
| 7 | Proto-Indo-European | h₂eHs- | to be/become dry; to burn, to glow; hearth |