English
aeroboard
Aeroboard comes from Irish aer ‘air’, from Ancient Greek ᾱ̓ήρ ‘mist’, and ultimately from Proto-Indo-European *h₂ews- ‘dawn’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂ews-‘dawn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂ewsér‘in the direction of dawn, east’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*auhḗr‘morning mist’reconstructed
- Ancient Greekc. 800–300 BCEᾱ̓ήρ‘mist’
- Latinc. 75 BCE–200 CEāēr‘air’
- Old Irishc. 600–900aer‘air’
- Irishc. 1200–presentsame form‘air’
- Englishtodayaeroboard
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂ews-‘dawn’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂ewsér‘in the direction of dawn, east’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*auhḗr‘morning mist’reconstructed
- Ancient Greekc. 800–300 BCEᾱ̓ήρ‘mist’
- Latinc. 75 BCE–200 CEāēr‘air’
- Old Irishc. 600–900aer‘air’
- Irishc. 1200–presentsame form‘air’
- Englishtodayaeroboard
Every English word from Proto-Indo-European *h₂ews-
Today it means
noun Expanded polystyrene foam, such as is used in insulation.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₂ews- / aeroboard