English
acyl
Acyl comes from Latin aceō ‘to be sour’, and goes back to Proto-Indo-European *h₂eḱ- ‘sharp’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂eḱ-‘sharp’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂eḱéh₁yetireconstructed
- Proto-Italicc. 1500–700 BCE*akēōreconstructed
- Latinc. 75 BCE–200 CEaceō‘to be sour’
- Englishearliest quotation 2009acyl
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₂eḱ-‘sharp’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*h₂eḱéh₁yetireconstructed
- Proto-Italicc. 1500–700 BCE*akēōreconstructed
- Latinc. 75 BCE–200 CEaceō‘to be sour’
- Englishearliest quotation 2009acyl
Earliest quotation: 2009, Richard H. Wiley, Pyrazoles and Reduced and Condensed Pyrazoles: “From ethyleneoxides or ethyleneimines carrying an acyl substituent, with…”
Formed from aceō + -yl
Linked words
through Proto-Indo-European *h₂eḱ- ‘sharp’
hear, edge, egg, ear, hammer, eager, axe, oxide, acute, vinegar, mediocre, acne, mediocrity, paragon, acupuncture, hark, exacerbate, acacia, acumen, acuity, acme, acrimony, rosacea, exacerbation, acerbic, acrid, 71 more
through Proto-Italic *akēō
through Latin aceō ‘to be sour’
Today it means
noun Any of class of organic radicals, RCO-, formed by the removal of a hydroxyl group from a carboxylic acid.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₂eḱ- / acyl