overadapt

The story

1. Proto-Indo-European*úp
2. Proto-Indo-European*upér
3. Proto-Germanic*uber
4. Old Englishofer-
5. Middle Englishover-
6. Englishover-
7. Proto-Indo-European*h₂éd
8. Proto-Italic*ad
9. Proto-Italic*ad-
10. Latinad-
11. Proto-Indo-European*h₂ep-
12. Proto-Indo-European*h₂ptós
13. Proto-Italic*aptos
14. Latinaptus
15. Proto-Indo-European[Term?]
16. Proto-Italic*apjō
17. Latinapiō
18. Latinaptō
19. Latinadaptō
20. Middle English*adapten
21. Englishadapt
22. English todayoveradapt

From over- + adapt.