macrodynamics

The story

1. Proto-Indo-European*meh₂ḱ-
2. Proto-Indo-European*mh₂ḱrós
3. Proto-Hellenic*makrós
4. Ancient Greekμᾰκρός (măkrós)
5. Frenchmacro-
6. Englishmacro-
7. Proto-Indo-European*dewh₂-
8. Proto-Hellenic*dunamai
9. Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
10. Ancient Greekδύναμις (dúnamis)
11. Ancient Greekδυναμικός (dunamikós)
12. Frenchdynamique
13. Englishdynamic
14. Englishdynamics
15. English todaymacrodynamics

From macro- + dynamics.