laryngomicrosurgery

The story

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

From laryngo- + microsurgery.