Etymograph

English

acetabulum

Acetabulum comes from Latin acētābulum ‘vinegar saucer, 1/48 congius’, 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. Latin, derivedc. 75 BCE–200 CEacētābulum‘vinegar saucer, 1/48 congius’
  8. Englishtodayacetabulum

attested reconstructed ? uncertain or disputed

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. Latin, derivedc. 75 BCE–200 CEacētābulum‘vinegar saucer, 1/48 congius’
  8. Englishtodayacetabulum

Linked words

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

hear, edge, egg, ear, hammer, eager, acute, axe, oxide, vinegar, mediocre, acne, mediocrity, paragon, acupuncture, acacia, hark, acme, exacerbate, acuity, acumen, acrimony, acrid, rosacea, exacerbation, acerbic, 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 The bony cup of the hip bone which receives the head of the femur.

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

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