Etymograph

English

indexation

Indexation comes from French indexer ‘to index’, from Latin index ‘pointer, indicator’, and ultimately from Proto-Indo-European *deyḱ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*deyḱ-‘to point out, to show’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*déyḱeti‘to be pointing out’reconstructed
  3. Proto-Italicc. 1500–700 BCE*deikō‘to show, indicate’reconstructed
  4. Latinc. 75 BCE–200 CEdīcō‘to say, talk, speak, utter, mention’
  5. Latin, derivedc. 75 BCE–200 CEindicō‘point out, show’
  6. Latin, derivedc. 75 BCE–200 CEindex‘pointer, indicator’
  7. Frenchc. 1600–presentsame form
  8. French, derivedc. 1600–presentindexer‘to index’
  9. French, derivedc. 1600–presentindexation
  10. Englishtodaysame form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*deyḱ-‘to point out, to show’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*déyḱeti‘to be pointing out’reconstructed
  3. Proto-Italicc. 1500–700 BCE*deikō‘to show, indicate’reconstructed
  4. Latinc. 75 BCE–200 CEdīcō‘to say, talk, speak, utter, mention’
  5. Latin, derivedc. 75 BCE–200 CEindicō‘point out, show’
  6. Latin, derivedc. 75 BCE–200 CEindex‘pointer, indicator’
  7. Frenchc. 1600–presentsame form
  8. French, derivedc. 1600–presentindexer‘to index’
  9. French, derivedc. 1600–presentindexation
  10. Englishtodaysame form

Linked words

through Proto-Indo-European *deyḱ- ‘to point out, to show’

teach, toe, token, digit, paradigm, syndicate, indicative, interdict, syndicalism, tache, 42 more

through Proto-Italic *deikō ‘to show, indicate’

contradiction, interdiction, 16 more

through Latin dīcō ‘to say, talk, speak, utter, mention’

predict, preach, addict, dictionary, dictator, dictate, ditto, contradictory, dedication, predicament, contradict, dedicate, predicate, ditty, dictum, diction, dict, 24 more

through Latin index ‘pointer, indicator’

indicate, indicator, indication, indicia, 4 more

Today it means

noun The adjustment of an economic variable (such as a salary) according to an index (such as that of inflation).

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

Etymograph / Proto-Indo-European *deyḱ- / indexation