English
acidhead
Acidhead comes from French acide ‘acid, acidic, sour, tart’, 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’
- Latin, derivedc. 75 BCE–200 CEacidus‘sour, tart, acid, bitter’
- Frenchc. 1600–presentacide‘acid, acidic, sour, tart’
- English1500–presentacid‘LSD’
- Englishtodayacidhead
attested reconstructed ? uncertain or disputed
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’
- Latin, derivedc. 75 BCE–200 CEacidus‘sour, tart, acid, bitter’
- Frenchc. 1600–presentacide‘acid, acidic, sour, tart’
- English1500–presentacid‘LSD’
- Englishtodayacidhead
A compound of acid ‘LSD’ + -head
Proto-Indo-European *h₂eḱ- ‘sharp’
…
Proto-Italic *akēō
Latin aceō ‘to be sour’
Latin acidus ‘sour’
French acide ‘acid’
English acid
Linked words
through Proto-Indo-European *h₂eḱ- ‘sharp’
hear, edge, egg, ear, hammer, eager, axe, acute, vinegar, mediocre, oxide, acne, mediocrity, paragon, acupuncture, hark, exacerbate, acumen, acme, acuity, acacia, acrimony, exacerbation, acerbic, rosacea, acrid, 71 more
through Latin aceō ‘to be sour’
through Latin acidus ‘sour, tart, acid, bitter’
through French acide ‘acid, acidic, sour, tart’
Today it means
noun A person who uses the hallucinogenic drug LSD.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₂eḱ- / acidhead