The story
- Latināēr
- Old Frenchair
- Middle Englishaire
- Englishair
- Proto-Indo-European*ten-
- Proto-Indo-European*tónos
- Proto-Hellenic*tónos
- Ancient Greekτόνος (tónos)
- Latintonus
- Middle Englishtone
- Englishtone
- English todayairtone
Etymology from Wiktionary, CC BY-SA 4.0.