English
Hadean
Hadean comes from Proto-Indo-European *n̥wids ‘unseen’.
- Proto-Indo-Europeanc. 4500–2500 BCE*n̥wids‘unseen’reconstructed
- Ancient Greekc. 800–300 BCEᾍδηςHāídēs
- Englishearliest quotation 1902Hadean
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*n̥wids‘unseen’reconstructed
- Ancient Greekc. 800–300 BCEᾍδηςHāídēs
- Englishearliest quotation 1902Hadean
Earliest quotation: 1902, Frederic Crowninshield, A Painter's Moods: “No Ceres weeps at the Hadean gate!”
Every English word from Proto-Indo-European *n̥wids
Today it means
name The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *n̥wids / Hadean