Etymograph

English

acetabulous

Acetabulous comes from New Latin acetabulosus ‘acetabular, cup-shaped’, from Latin acētum ‘vinegar’, 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‘cup, calyx’
  8. New Latinc. 1500–1900acetabulosus‘acetabular, cup-shaped’
  9. Englishtodayacetabulous

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‘cup, calyx’
  8. New Latinc. 1500–1900acetabulosus‘acetabular, cup-shaped’
  9. Englishtodayacetabulous

Equivalent to acetabulo- + -ous

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, acumen, acme, exacerbate, acuity, 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

adj cup-shaped; acetabular.

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

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