geodynamic

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. English todaygeodynamic

From geo- + dynamic.