Etymology

thermobarometer

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Today it means: An instrument that measured altitudes via the boiling point of water. Full definition →

English barometer ← Ancient Greek θερμός (thermós) ← Proto-Hellenic *kʷʰermós
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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. Englishbarometer
  7. English todaythermobarometer

From thermo- + barometer.

Etymology from Wiktionary, CC BY-SA 4.0.