The story
- Proto-Indo-European*h₂ews-
- Proto-Indo-European*h₂ewsér
- Proto-Hellenic*auhḗr
- Ancient Greekᾱ̓ήρ (āḗr)
- Latināēr
- Old Frenchair
- Middle Englishaire
- Englishair
- Proto-Indo-European*bʰers-
- Proto-Indo-European*bʰr̥stís
- Proto-Germanic*bʰurstís
- Proto-Germanic*burstiz
- Frankish*bursti
- Vulgar Latin*brustia
- Old Frenchbroisse
- Middle Englishbrusshe
- Englishbrush
- English todayairbrush
Etymology from Wiktionary, CC BY-SA 4.0.