Etymograph

English

diaster

Diaster comes from Ancient Greek ἀστήρ ‘star’, and goes back to Proto-Indo-European *h₂stḗr.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂stḗr‘star’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*astḗr‘star’reconstructed
  3. Ancient Greekc. 800–300 BCEἀστήρastḗr‘star’
  4. Englishtodaydiaster

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Earlier history uncertain.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂stḗr‘star’reconstructed
  2. Proto-Hellenicc. 2200–1600 BCE*astḗr‘star’reconstructed
  3. Ancient Greekc. 800–300 BCEἀστήρastḗr‘star’
  4. Englishtodaydiaster

Linked words

through Proto-Indo-European *h₂eh₁s- ‘to burn, glow’

constellation, stellate, 19 more

through Proto-Indo-European *h₂stḗr ‘star’

star, sterling, disaster, stellar, stella, 24 more

through Proto-Hellenic *astḗr ‘star’

asterisk, 12 more

through Ancient Greek ἀστήρ ‘star’

asteroid, astral, 11 more

Today it means

noun A double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei.

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

Etymograph / Proto-Indo-European *h₂stḗr / diaster