English
aleurone
Aleurone comes from Ancient Greek ἄλευρον ‘flour, meal’, and goes back to Proto-Indo-European *h₂elh₁- ‘to grind’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂elh₁-‘to grind’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂léh₁wr̥‘flour’reconstructed
- Ancient Greekc. 800–300 BCEἄλευρονáleuron‘flour, meal’
- Englishtodayaleurone
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂elh₁-‘to grind’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂léh₁wr̥‘flour’reconstructed
- Ancient Greekc. 800–300 BCEἄλευρονáleuron‘flour, meal’
- Englishtodayaleurone
Linked words
through Proto-Indo-European *h₂elh₁- ‘to grind’
Today it means
noun The protein content of the embryo, endosperm, or perisperm of cereals, in the form of minute particles.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₂elh₁- / aleurone