supralaryngeal

The story

1. Proto-Indo-European*úp
2. Proto-Indo-European*upér
3. Proto-Italic*super
4. Proto-Italic*superos
5. Proto-Italic*superād
6. Old Latinsuprād
7. Latinsuprā
8. Latinsupra-
9. Englishsupra-
10. Ancient Greekλᾰ́ρῠγξ (lắrŭnx)
11. Latinlarynx
12. New Latinlaryngeus
13. Proto-Indo-European*h₂el-
14. Proto-Indo-European*h₂élisder.?
15. Englishlaryngeal
16. English todaysupralaryngeal

From supra- + laryngeal.