cricotomy

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. Englishcrico-
10. Proto-Indo-European*temh₁-
11. Ancient Greekτέμνω (témnō)
12. English todaycricotomy

From crico- + -tomy.