ecopathology

The story

1. Proto-Indo-European*weyḱ-
2. Proto-Indo-European*wóyḱos
3. Proto-Hellenic*wóikos
4. Ancient Greekϝοῖκος (woîkos)
5. Ancient Greekοἶκος (oîkos)
6. Latinoeco-
7. Frenchéco-
8. Englisheco-
9. Ancient Greekπάσχω (páskhō)
10. Ancient Greekπᾰ́θος (pắthos)
11. Proto-Indo-European*leǵ-
12. Proto-Indo-European*lóǵos
13. Proto-Hellenic*lógos
14. Ancient Greekλόγος (lógos)
15. Frenchpathologie
16. Englishpathology
17. English todayecopathology

From eco- + pathology.