Etymograph

English

lysocline

Lysocline comes from Ancient Greek λύσις ‘loosening, breaking loose’, and goes back to Proto-Indo-European *lewh₁- ‘to cut off, separate, free’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewh₁-‘to cut off, separate, free’reconstructed
  2. Ancient Greekc. 800–300 BCEλύω‘loosen’
  3. Ancient Greek, derivedc. 800–300 BCEλύσιςlúsis‘loosening, breaking loose’
  4. Englishearliest quotation 2009lysocline

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*lewh₁-‘to cut off, separate, free’reconstructed
  2. Ancient Greekc. 800–300 BCEλύω‘loosen’
  3. Ancient Greek, derivedc. 800–300 BCEλύσιςlúsis‘loosening, breaking loose’
  4. Englishearliest quotation 2009lysocline

Earliest quotation: 2009, R. W. Wilson et al., Contribution of Fish to the Marine Inorganic Carbon Cycle: “The causes of CaCO₃ dissolution above the lysocline are…”

Linked words

through Proto-Indo-European *lewh₁- ‘to cut off, separate, free’

so, lose, solution, solve, lease, sol, soluble, resolute, loess, 29 more

through Ancient Greek λύω ‘loosen’

analysis, analyst, palsy, paralysis, dialysis, paralyze, paralytic, lysis, 14 more

Today it means

noun The depth in the ocean below which solubility of calcium carbonate (CaCO₃) increases dramatically.

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

Etymograph / Proto-Indo-European *lewh₁- / lysocline