Etymology

triode

T1R1I1O1D2E1

Today it means: A thermionic valve containing an anode, a cathode, and a control grid; small changes to the charge on the grid control the flow from cathode to anode, which makes amplification possible. Full definition →

Ancient Greek ὁδός (hodós) ← Proto-Hellenic *hodós ← Proto-Indo-European *sodós?
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Proto-Indo-European*sed-
  7. Proto-Indo-European*sodós?
  8. Proto-Hellenic*hodós
  9. Ancient Greekὁδός (hodós)
  10. English todaytriode

From tri- + -ode.

Etymology from Wiktionary, CC BY-SA 4.0.