proterodynamic

The story

1. Proto-Indo-European*per-der.?
2. Proto-Indo-European*pér
3. Proto-Indo-European*pró
4. Ancient Greekπρό (pró)
5. Ancient Greekπρότερος (próteros)
6. Englishprotero-
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. English todayproterodynamic

From protero- + dynamic.