autoadjustment

The story

1. Proto-Indo-European*h₂ew
2. Proto-Indo-European*tó-
3. Proto-Hellenic*autós
4. Proto-Indo-European*h₂ew
5. Ancient Greekαὖ (aû)
6. Ancient Greekτόν (tón)
7. Ancient Greekαὐτός (autós)
8. Ancient Greekαὐτο- (auto-)
9. Proto-Indo-European*men-
10. Proto-Indo-European*mn̥tós
11. Proto-Hellenic*mətós
12. Ancient Greekαὐτόμᾰτος (autómătos)
13. Ancient Greekαὐτόμᾰτον (autómăton)
14. Classical Latinautomatum
15. New Latinautomaticus
16. Englishautomaticclip.
17. Englishauto-
18. Proto-Indo-European*h₂ey-
19. Proto-Indo-European*h₂óyu
20. Proto-Indo-European*h₂yew-
21. Proto-Indo-European*h₂yéwos
22. Proto-Italic*jowos
23. Latiniūstu
24. Old Frenchjuste
25. Frenchjuste
26. Frenchajuster
27. Frenchajustement
28. Englishadjustment
29. English todayautoadjustment

From auto- + adjustment.