Etymograph

English

acrid

Acrid comes from Latin ācris, from ācer ‘sharp’, and ultimately from Proto-Indo-European *h₂eḱ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eḱ-‘sharp’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂eḱrós‘sharp’reconstructed
  3. Proto-Italicc. 1500–700 BCE*akris‘sharp’reconstructed
  4. Latinc. 75 BCE–200 CEācer‘sharp’
  5. Latin, derivedc. 75 BCE–200 CEācris
  6. Englishearliest quotation 2005acrid

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eḱ-‘sharp’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂eḱrós‘sharp’reconstructed
  3. Proto-Italicc. 1500–700 BCE*akris‘sharp’reconstructed
  4. Latinc. 75 BCE–200 CEācer‘sharp’
  5. Latin, derivedc. 75 BCE–200 CEācris
  6. Englishearliest quotation 2005acrid

Earliest quotation: 2005, Christopher Paolini, The Nature of Evil: “At that instant, Eragon's back ruptured in an explosion…”

The story

From Latin ācris, from ācer (‘sharp’); probably assimilated in form to acid.

Linked words

through Proto-Indo-European *h₂eḱ- ‘sharp’

hear, edge, egg, ear, hammer, axe, acid, acute, oxide, acne, paragon, acetate, acupuncture, hark, acacia, acumen, acme, acuity, roselle, acyl, rosacea, 72 more

through Proto-Indo-European *h₂eḱrós ‘sharp’

mediocre, mediocrity, 13 more

through Proto-Italic *akris ‘sharp’

exacerbate, exacerbation, acerbic, 7 more

through Latin ācer ‘sharp’

eager, vinegar, acrimony, 7 more

Today it means

adj Sharp and harsh, or bitter and not to the taste.

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

Etymograph / Proto-Indo-European *h₂eḱ- / acrid