Etymograph

English

cline

Cline comes from Ancient Greek κλῑ́νω ‘to lean, incline’, and goes back to Proto-Indo-European *ḱley-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱley-‘to incline’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ḱl̥-né-y-ti‘to lean’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*klíňňōreconstructed
  4. Ancient Greekc. 800–300 BCEκλῑ́νωklī́nō‘to lean, incline’
  5. Englishearliest quotation 2005cline

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱley-‘to incline’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ḱl̥-né-y-ti‘to lean’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*klíňňōreconstructed
  4. Ancient Greekc. 800–300 BCEκλῑ́νωklī́nō‘to lean, incline’
  5. Englishearliest quotation 2005cline

Earliest quotation: 2005, Ronnie Cann, Ruth Kempson: “This account effectively reconstructs the well-known grammaticalisation cline from…”

The story

Introduced by English evolutionary biologist and eugenicist Julian Huxley in 1938 after British mycologist John Ramsbottom suggested the term.

Linked words

through Proto-Indo-European *ḱley- ‘to incline’

law, low, lean, ladder, lid, inclination, eyelid, clinician, declension, proclivity, declination, 27 more

through Proto-Hellenic *klíňňō

climax, acclimate, 8 more

through Ancient Greek κλῑ́νω ‘to lean, incline’

climate, 5 more

Today it means

noun A gradation in a character or phenotype within a species, deme, or other systematic group.

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

Etymograph / Proto-Indo-European *ḱley- / cline