Etymograph

English

ejection

Ejection comes from Latin eiectio, from ēiciō ‘cast out’, and ultimately from Proto-Indo-European *(H)yeh₁- ‘to throw’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-1‘to throw’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yéh₁kt ~ *(H)ih₁ként1reconstructed
  3. Latinc. 75 BCE–200 CEiaciō1‘throw, hurl’
  4. Latinc. 75 BCE–200 CEēiciō2‘cast out’
  5. Latinc. 75 BCE–200 CEeiectio3
  6. Middle Frenchc. 1400–1600éjection3
  7. Englishtodayejection3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin eicio
  2. 2 Wiktionary, Latin eiectio
  3. 3 Wiktionary, English ejection

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-Wiktionary, Latin eicio‘to throw’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yéh₁kt ~ *(H)ih₁kéntWiktionary, Latin eicioreconstructed
  3. Latinc. 75 BCE–200 CEiaciōWiktionary, Latin eicio‘throw, hurl’
  4. Latinc. 75 BCE–200 CEēiciōWiktionary, Latin eiectio‘cast out’
  5. Latinc. 75 BCE–200 CEeiectioWiktionary, English ejection
  6. Middle Frenchc. 1400–1600éjectionWiktionary, English ejection
  7. EnglishtodayejectionWiktionary, English ejection

Linked words

through Proto-Indo-European *(H)yeh₁- ‘to throw’

year, hour, catheter, trajectory, enema, jut, abject, iambic, jetsam, 38 more

through Proto-Indo-European *(H)yéh₁kt ~ *(H)ih₁ként

objective, projection, objection, projectile, objector, 24 more

through Latin iaciō ‘throw, hurl’

disease, project, ease, adjacent, jet, object, jess, gist, injection, inject, jetty, conjecture, adjective, ejaculate, ejaculation, joist, jettison, interject, subjection, 31 more

Today it means

noun The act of ejecting.

Sources

Sources: Wiktionary, “ejection”; the older steps come from the Wiktionary entries for Latin eicio, Latin eiectio. 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 *(H)yeh₁- / ejection