Etymograph

English

subjacent

Subjacent comes from Latin subiaceō ‘lie beneath’, from iaciō ‘to throw, hurl, cast, fling’, and ultimately from Proto-Indo-European *(H)yeh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-‘to throw’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*(H)yéh₁kt ~ *(H)ih₁kéntreconstructed
  3. Latinc. 75 BCE–200 CEiaciō‘to throw, hurl, cast, fling’
  4. Latin, derivedc. 75 BCE–200 CEiaceō‘lie’
  5. Latin, derivedc. 75 BCE–200 CEsubiaceō‘lie beneath’
  6. Englishearliest quotation 1887subjacent

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-‘to throw’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*(H)yéh₁kt ~ *(H)ih₁kéntreconstructed
  3. Latinc. 75 BCE–200 CEiaciō‘to throw, hurl, cast, fling’
  4. Latin, derivedc. 75 BCE–200 CEiaceō‘lie’
  5. Latin, derivedc. 75 BCE–200 CEsubiaceō‘lie beneath’
  6. Englishearliest quotation 1887subjacent

Earliest quotation: 1887, R. A. Murray, Victoria. Geology and Physical Geography: “In some places, however, quartz reefs, payably auriferous while…”

Linked words

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

year, hour, trajectory, catheter, abject, enema, jut, iambic, jetsam, 36 more

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

objective, projection, objection, projectile, objector, dejection, 22 more

through Latin iaciō ‘to throw, hurl, cast, fling’

project, object, jet, injection, jess, inject, conjecture, adjective, ejection, jetty, eject, ejaculation, jettison, ejaculate, interject, subjection, 30 more

through Latin iaceō ‘lie’

disease, ease, adjacent, gist, joist, 3 more

Today it means

adj Lying beneath or at a lower level; underlying.

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

Etymograph / Proto-Indo-European *(H)yeh₁- / subjacent