counteradapt

The story

1. Proto-Indo-European*ḱe?
2. Proto-Indo-European*ḱóm
3. Proto-Italic*kom
4. Proto-Italic*kom-
5. Proto-Italic*komteros
6. Proto-Italic*komterād
7. Latincontrā
8. Old Frenchcontre-
9. Anglo-Normancountre-
10. Middle Englishcounter-
11. Englishcounter-
12. Proto-Indo-European*h₂éd
13. Proto-Italic*ad
14. Proto-Italic*ad-
15. Latinad-
16. Proto-Indo-European*h₂ep-
17. Proto-Indo-European*h₂ptós
18. Proto-Italic*aptos
19. Latinaptus
20. Proto-Indo-European[Term?]
21. Proto-Italic*apjō
22. Latinapiō
23. Latinaptō
24. Latinadaptō
25. Middle English*adapten
26. Englishadapt
27. English todaycounteradapt

From counter- + adapt.