ecodynamics

The story

1. Proto-Indo-European*weyḱ-
2. Proto-Indo-European*wóyḱos
3. Proto-Hellenic*wóikos
4. Ancient Greekϝοῖκος (woîkos)
5. Ancient Greekοἶκος (oîkos)
6. Latinoeco-
7. Frenchéco-
8. Englisheco-
9. Proto-Indo-European*dewh₂-
10. Proto-Hellenic*dunamai
11. Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
12. Ancient Greekδύναμις (dúnamis)
13. Ancient Greekδυναμικός (dunamikós)
14. Frenchdynamique
15. Englishdynamic
16. Englishdynamics
17. English todayecodynamics

From eco- + dynamics.