Etymology

thermopower

T1H4E1R1M3O1P3O1W4E1R1

Today it means: A measure of the voltage induced in a material by the thermoelectric effect. Full definition →

English power ← Middle English power ← Anglo-Norman poer
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The story

  1. Proto-Indo-European*gʷʰer-
  2. Proto-Indo-European*gʷʰermos
  3. Proto-Hellenic*kʷʰermós
  4. Ancient Greekθερμός (thermós)
  5. Englishthermo-
  6. Proto-Indo-European*pótis
  7. Proto-Italic*potis
  8. Proto-Italic*som
  9. Proto-Italic*possom
  10. Latinposse
  11. Vulgar Latinpotēre
  12. Old Frenchpooir
  13. Anglo-Normanpoer
  14. Middle Englishpower
  15. Englishpower
  16. English todaythermopower

From thermo- + power.

Etymology from Wiktionary, CC BY-SA 4.0.