Etymograph

English

inclination

Inclination comes from Old French inclination, and goes back to Proto-Indo-European *ḱley-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱley-root as named · steps between not traced
  2. Old Frenchc. 842–1400inclination
  3. Middle Englishc. 1150–1500inclinacioun
  4. Englishearliest quotation 1959inclination

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱley-root as named · steps between not traced
  2. Old Frenchc. 842–1400inclination
  3. Middle Englishc. 1150–1500inclinacioun
  4. Englishearliest quotation 1959inclination

Earliest quotation: 1959, H. A. Vallance, The Pembroke & Tenby Railway: “The gradients on the western part of the line…”

Formed from incline + -ation

Proto-Indo-European *ḱley-

Latin clīnō ‘to bend, incline’

Latin inclīnāre

Old French encliner ‘to lean’

Middle English enclinen

English incline

Linked words

through Proto-Indo-European *ḱley-

law, low, climate, lean, ladder, decline, lid, climax, eyelid, clinician, cline, proclivity, declension, declination, 27 more

Today it means

noun A physical tilt or bend.

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

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