cardiopathology

The story

1. Proto-Indo-European*ḱerd-
2. Proto-Indo-European*ḱḗr
3. Proto-Indo-European*ḱr̥díyeh₂
4. Proto-Hellenic*kərdíyā
5. Ancient Greekκαρδία (kardía)
6. Englishcardio-
7. Ancient Greekπάσχω (páskhō)
8. Ancient Greekπᾰ́θος (pắthos)
9. Proto-Indo-European*leǵ-
10. Proto-Indo-European*lóǵos
11. Proto-Hellenic*lógos
12. Ancient Greekλόγος (lógos)
13. Frenchpathologie
14. Englishpathology
15. English todaycardiopathology

From cardio- + pathology.