Etymograph

English

septimation

Septimation comes from Latin septimus ‘seventh’, and goes back to Proto-Indo-European *septmós.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*septmós1reconstructed
  2. Proto-Italicc. 1500–700 BCE*septVmos1reconstructed
  3. Latinc. 75 BCE–200 CEseptimus2‘seventh’
  4. Englishearliest quotation 1844septimation2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin septimus
  2. 2 Wiktionary, English septimation
  3. Earliest quotation in Wiktionary’s entry: 1844, J.A.T.: “To Wilberforce ‘the Sabbath was a delight’ […] O…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*septmósWiktionary, Latin septimusreconstructed
  2. Proto-Italicc. 1500–700 BCE*septVmosWiktionary, Latin septimusreconstructed
  3. Latinc. 75 BCE–200 CEseptimusWiktionary, English septimation‘seventh’
  4. Englishearliest quotation 1844septimationWiktionary, English septimation. Earliest quotation in Wiktionary’s entry: 1844, J.A.T.: “To Wilberforce ‘the Sabbath was a delight’ […] O…”

Formed from ation

Every English word from Proto-Indo-European *septmós

Today it means

noun The loss, seizure, destruction, or killing of one seventh (of something or of a group).

Sources

Sources: Wiktionary, “septimation”; the older steps come from the Wiktionary entry for Latin septimus. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *septmós / septimation

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