Etymology

thermotension

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Today it means: A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted. Full definition →

English tension ← Middle French tension ← Latin tēnsiō
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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*ten-
  7. Proto-Indo-European*tend-
  8. Proto-Indo-European*téndeti
  9. Proto-Italic*tendō
  10. Latintendō
  11. Latintēnsiō
  12. Middle Frenchtension
  13. Englishtension
  14. English todaythermotension

From thermo- + tension.

Etymology from Wiktionary, CC BY-SA 4.0.