Etymology

geodynamics

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Today it means: the branch of geophysics that studies the deformation processes of planetary mantle and crust, and the resulting earthquakes and volcanism Full definition →

English dynamics ← French dynamique ← Ancient Greek δυναμικός (dunamikós)
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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. Proto-Indo-European*dewh₂-
  7. Proto-Hellenic*dunamai
  8. Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
  9. Ancient Greekδύναμις (dúnamis)
  10. Ancient Greekδυναμικός (dunamikós)
  11. Frenchdynamique
  12. Englishdynamic
  13. Englishdynamics
  14. English todaygeodynamics

From geo- + dynamics.

Etymology from Wiktionary, CC BY-SA 4.0.