autocritical

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. Englishauto-
10. Proto-Indo-European*krey-
11. Proto-Indo-European*krinyéti
12. Proto-Hellenic*kríňňō
13. Ancient Greekκρῑ́νω (krī́nō)
14. Ancient Greekκρῐ- (krĭ-)
15. Ancient Greekκρῐτής (krĭtḗs)
16. Ancient Greekκριτικός (kritikós)
17. Latincriticus
18. Proto-Indo-European*h₂el-
19. Proto-Indo-European*h₂élisder.?
20. Englishcritical
21. English todayautocritical

From auto- + critical.