Etymology

geoisotherm

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Today it means: A line or surface joining points within the Earth that have the same temperature. Full definition →

English isotherm ← Ancient Greek γεω- (geō-) ← Proto-Hellenic *gaya
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The story

  1. Proto-Hellenic*gaya
  2. Ancient Greekγαῖᾰ (gaîă)clip.
  3. Ancient Greekγῆ (gê)
  4. Ancient Greekγεω- (geō-)
  5. Englishgeo-
  6. Englishisotherm
  7. English todaygeoisotherm

From geo- + isotherm.

Etymology from Wiktionary, CC BY-SA 4.0.