The story
- Latinspolium
- Latinspoliāre
- Old Frenchespoillier
- Middle Englishspoilen
- Englishspoil
- Englishspoiler
- Proto-Indo-European*h₂eǵ-?
- Proto-Indo-European*h₂eḱs-
- Proto-Italic*aksis
- Latinaxis
- Latin*axla
- Latināla
- Old Frenchaile
- Middle Frenchaisle
- Frenchaile
- Frenchaileron
- Englishaileron
- English todayspoileron
Blend of spoiler + aileron.
Etymology from Wiktionary, CC BY-SA 4.0.