Etymograph

English

eth-

Eth- comes from Ancient Greek αἰθήρ ‘ether’, from αἴθω ‘to ignite, kindle, light’, and ultimately from Proto-Indo-European *h₂eydʰ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eydʰ-‘to ignite’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*áitʰō‘to ignite’reconstructed
  3. Ancient Greekc. 800–300 BCEαἴθωaíthō‘to ignite, kindle, light’
  4. Ancient Greek, derivedc. 800–300 BCEαἰθήρaithḗr‘ether’
  5. Englishtodayeth-

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eydʰ-‘to ignite’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*áitʰō‘to ignite’reconstructed
  3. Ancient Greekc. 800–300 BCEαἴθωaíthō‘to ignite, kindle, light’
  4. Ancient Greek, derivedc. 800–300 BCEαἰθήρaithḗr‘ether’
  5. Englishtodayeth-

Linked words

through Proto-Indo-European *h₂eydʰ- ‘to ignite’

estuary, edifice, edification, 18 more

through Ancient Greek αἰθήρ ‘ether’

atrium, ethanol, ethereal, ether, 4 more

Today it means

prefix Used as a combining form to denote the presence of 2 carbon atoms in the parent chain when forming names of organic compounds.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *h₂eydʰ- / eth-

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