phonomicrosurgery

The story

1. Proto-Indo-European*bʰeh₂-
2. Proto-Hellenic*pʰōnā́
3. Ancient Greekφωνή (phōnḗ)
4. Englishphono-
5. Proto-Indo-European*mey-der.?
6. Ancient Greekμῑκρός (mīkrós)
7. Ancient Greekμῑκρο- (mīkro-)
8. Englishmicro-
9. Proto-Indo-European*ǵʰes-
10. Proto-Indo-European*ǵʰésōr
11. Proto-Hellenic*kʰéhər
12. Ancient Greekχείρ (kheír)
13. Proto-Indo-European*werǵ-
14. Proto-Indo-European*worǵós
15. Proto-Hellenic*worgós
16. Ancient Greekχειρουργός (kheirourgós)
17. Ancient Greekχειρουργέω (kheirourgéō)
18. Ancient Greekχειρουργίᾱ̆ (kheirourgíā̆)
19. Latinchīrūrgia
20. Old Frenchsurgie
21. Old Frenchsurgerie
22. Middle Englishsurgerie
23. Englishsurgery
24. Englishmicrosurgery
25. English todayphonomicrosurgery

From phono- + microsurgery.