Etymograph

English

preemption

Preemption comes from Latin emō ‘buy’, from Proto-Italic *emō ‘to take’, and ultimately from Proto-Indo-European *h₁em-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁em-1‘to take, distribute’reconstructed
  2. Proto-Italicc. 1500–700 BCE*emō1‘to take’reconstructed
  3. Latinc. 75 BCE–200 CEemō2‘buy’
  4. Englishtodaypreemption2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin emo, which cites Rix
  2. 2 Wiktionary, English preemption

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁em-Wiktionary, Latin emo, which cites Rix‘to take, distribute’reconstructed
  2. Proto-Italicc. 1500–700 BCE*emōWiktionary, Latin emo, which cites Rix‘to take’reconstructed
  3. Latinc. 75 BCE–200 CEemōWiktionary, English preemption‘buy’
  4. EnglishtodaypreemptionWiktionary, English preemption

Linked words

through Proto-Indo-European *h₁em- ‘to take, distribute’

exempt, pommel, pomade, 54 more

through Proto-Italic *emō ‘to take’

assume, presume, sumptuous, 45 more

through Latin emō ‘buy’

consumer, resume, premium, consume, ransom, assumption, redeem, redemption, exemption, consumable, emptor, overconsumption, 40 more

Today it means

noun An act or process that preempts; a preventive or forestalling action; as: The purchase of something before it is offered for sale to others.

Sources

Sources: Wiktionary, “preemption”; the older steps come from the Wiktionary entry for Latin emo. 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 *h₁em- / preemption