Etymograph

English

acetate

Acetate comes from Latin acētum ‘vinegar’, from acēscō ‘to become sour, to turn sour’, and ultimately from Proto-Indo-European *h₂eḱ- ‘sharp’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eḱ-‘sharp’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂eḱéh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*akēōreconstructed
  4. Latinc. 75 BCE–200 CEaceō‘to be sour’
  5. Latin, derivedc. 75 BCE–200 CEacēscō‘to become sour, to turn sour’
  6. Latin, derivedc. 75 BCE–200 CEacētum‘vinegar’
  7. Englishearliest quotation 1819acetate

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*h₂eḱéh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*akēōreconstructed
  4. Latinc. 75 BCE–200 CEaceō‘to be sour’
  5. Latin, derivedc. 75 BCE–200 CEacēscō‘to become sour, to turn sour’
  6. Latin, derivedc. 75 BCE–200 CEacētum‘vinegar’
  7. Englishearliest quotation 1819acetate

Earliest quotation: 1819, Abraham Rees: “[…] to pad a piece in diluted acetate of…”

Formed from acētum ‘vinegar’ + -ate

The story

Formed from the root of Latin acētum (‘vinegar’) + -ate, from aceō (‘to be sour’).

Linked words

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

hear, edge, egg, ear, hammer, eager, axe, oxide, vinegar, acute, mediocre, acne, mediocrity, paragon, acupuncture, hark, acacia, acumen, acme, acuity, exacerbate, acrimony, acrid, rosacea, acerbic, exacerbation, 71 more

through Proto-Italic *akēō

acidity, 22 more

through Latin aceō ‘to be sour’

acid, acyl, roselle, 23 more

through Latin acētum ‘vinegar’

acetic, 13 more

Today it means

noun Any ester or salt of acetic acid.

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

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