cricoidectomy

The story

1. Ancient Greekκρῐ́κος (krĭ́kos)
2. Proto-Indo-European*weyd-
3. Proto-Indo-European*wéydos
4. Proto-Hellenic*wéidos
5. Ancient Greekεἶδος (eîdos)
6. Ancient Greekκρῐκοειδής (krĭkoeidḗs)
7. New Latincricoīdēs
8. Englishcricoid
9. Proto-Indo-European*h₁éǵʰ
10. Proto-Indo-European*h₁eǵʰs
11. Proto-Hellenic*eks
12. Ancient Greekἐκ (ek)
13. Ancient Greekἐκ- (ek-)
14. Proto-Indo-European*temh₁-
15. Ancient Greekτέμνω (témnō)
16. Ancient Greekἐκτέμνω (ektémnō)
17. Ancient Greekἐκτομή (ektomḗ)
18. English todaycricoidectomy

From cricoid + -ectomy.