barodynamics

The story

1. Proto-Indo-European*gʷreh₂-
2. Proto-Indo-European*gʷréh₂us
3. Proto-Hellenic*gʷarus
4. Ancient Greekβαρύς (barús)
5. Ancient Greekβᾰ́ρος (bắros)
6. Englishbaro-
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 todaybarodynamics

From baro- + dynamics.