Where does “microcathode” come from?

microcathode (English) comes from English cathode, from Ancient Greek κάθοδος, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

microcathode (English): A very small cathode

Definitions

  1. A very small cathode

Ancestry of “microcathode”, step by step

microcathode traces back through two separate lines of ancestry.

via English cathode

StepLanguageWordMeaning
1EnglishcathodeAn electrode, of a cell or other electrically...
2Ancient Greekκάθοδοςway down, descent
3Ancient Greekκατά
4Ancient Greekκαταστερίζωto place among the stars; I put among the stars
5Ancient Greekἀστήρa celestial body; illustrious person; starfish
6Proto-Hellenicastḗrstar
7Proto-Indo-Europeanh₂stḗrstar
8Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via English micro

StepLanguageWordMeaning
1EnglishmicroSmall, relatively small; short form of...
2Ancient Greekμικρόςlittle, small
3Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European h₂eHs-