ailevator

The story

1. Proto-Indo-European*h₂eǵ-?
2. Proto-Indo-European*h₂eḱs-
3. Proto-Italic*aksis
4. Latinaxis
5. Latin*axla
6. Latināla
7. Old Frenchaile
8. Middle Frenchaisle
9. Frenchaile
10. Frenchaileron
11. Englishaileron
12. Proto-Indo-European*h₁éǵʰ
13. Proto-Indo-European*h₁éǵʰs
14. Proto-Italic*eks
15. Latinex
16. Latinex-
17. Proto-Indo-European*h₁lengʷʰ-
18. Proto-Indo-European*h₁léngʰus
19. Proto-Italic*breɣʷisinflu.
20. Proto-Italic*leɣʷis
21. Latinlevis
22. Latinlevō
23. Latinēlevō
24. Latinēlevātus
25. Middle Englishelevat
26. Middle Englishelevaten
27. Englishelevate
28. Englishelevator
29. English todayailevator

Blend of aileron + elevator.