palaeopathological

The story

1. Proto-Indo-European*kʷelh₁-der.?
2. Ancient Greekπάλαι (pálai)
3. Ancient Greekπᾰλαιός (pălaiós)
4. Englishpaleo-
5. Englishpalaeo-
6. Ancient Greekπάσχω (páskhō)
7. Ancient Greekπᾰ́θος (pắthos)
8. Proto-Indo-European*leǵ-
9. Proto-Indo-European*lóǵos
10. Proto-Hellenic*lógos
11. Ancient Greekλόγος (lógos)
12. Frenchpathologie
13. Englishpathology
14. Proto-Indo-European*h₂el-
15. Proto-Indo-European*h₂élisder.?
16. Englishpathological
17. English todaypalaeopathological

From palaeo- + pathological.