The story
- Proto-Indo-European*h₂ews-
- Proto-Indo-European*h₂ewsér
- Proto-Hellenic*auhḗr
- Ancient Greekᾱ̓ήρ (āḗr)
- Ancient Greekἀέρος (aéros)
- Englishaero-
- Proto-Indo-European*megʰ-der.?
- Ancient Greekμηχανή (mēkhanḗ)
- Ancient Greekμηχανικός (mēkhanikós)
- Latinmēchanicus
- Old Frenchmecanique
- Middle Englishmechanic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Middle Englishmechanical
- Englishmechanical
- English todayaeromechanical
From aero- + mechanical.
Etymology from Wiktionary, CC BY-SA 4.0.