Etymograph

English

aerobrake

From aero- + brake.

Formed from aero- + brake

Proto-Indo-European *h₂ews- ‘dawn’

Proto-Indo-European *h₂ewsér ‘in the direction of dawn, east’

Proto-Hellenic *auhḗr ‘morning mist’

Ancient Greek ἀήρ ‘air’

Ancient Greek ἀέρος

English aero-

Middle Low German brake ‘nose ring, curb, flax brake’

English brake

Today it means

noun A mechanism for aerobraking.

Language periods are conventional ranges, not dates for this word.

Etymograph / aerobrake