Etymograph

English

diachysis

Diachysis comes from Ancient Greek διάχυσις ‘diffusion’, from διαχέω ‘to scatter’, and ultimately from Proto-Indo-European *ǵʰew- ‘to pour’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰew-‘to pour’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ǵʰéwetireconstructed
  3. Ancient Greekc. 800–300 BCEχέω‘pour’
  4. Ancient Greek, derivedc. 800–300 BCEδιαχέω‘to scatter’
  5. Ancient Greek, derivedc. 800–300 BCEδιάχυσιςdiákhusis‘diffusion’
  6. Englishtodaydiachysis

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰew-‘to pour’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ǵʰéwetireconstructed
  3. Ancient Greekc. 800–300 BCEχέω‘pour’
  4. Ancient Greek, derivedc. 800–300 BCEδιαχέω‘to scatter’
  5. Ancient Greek, derivedc. 800–300 BCEδιάχυσιςdiákhusis‘diffusion’
  6. Englishtodaydiachysis

Linked words

through Proto-Indo-European *ǵʰew- ‘to pour’

god, futile, giddy, chemist, gust, futility, gush, geyser, ingot, 22 more

Today it means

noun A method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.

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

Etymograph / Proto-Indo-European *ǵʰew- / diachysis