quasidynamical

The story

1. Proto-Indo-European*kʷ-
2. Proto-Indo-European*kʷís
3. Proto-Italic*kʷis
4. Proto-Indo-European*kʷ-
5. Proto-Indo-European*kʷos
6. Proto-Italic*kʷoi
7. Latinquam
8. Proto-Indo-European*só
9. Proto-Italic*sei
10. Latinsī
11. Latinquasī̆
12. Englishquasi-
13. Proto-Indo-European*dewh₂-
14. Proto-Hellenic*dunamai
15. Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
16. Ancient Greekδύναμις (dúnamis)
17. Ancient Greekδυναμικός (dunamikós)
18. Frenchdynamique
19. Englishdynamic
20. Proto-Indo-European*h₂el-
21. Proto-Indo-European*h₂élisder.?
22. Englishdynamical
23. English todayquasidynamical

From quasi- + dynamical.