- Confidence
- Established
- Formation
- Derivation
- First attested
- Plautus
- Ultimate origin
- Proto-Indo-European (*h₂eḱ-)
Pronunciation
Forms
acētum n (genitive acētī); second declension[1]
Etymology
It is from aceō (“to be sour”), originally the participle of a verb meaning “to turn sour”, with ⟨vīnum⟩ “wine” understood.[2][3] Wiktionary explains the form as from acēscō on the model of ⟨cōnsuētus⟩.[1] De Vaan reconstructs ⟨aceō⟩ as Proto-Italic *akēje/o-, Proto-Indo-European *h₂eḱ-eh₁- (“to be sharp”).[4]
Earliest recorded meaning
Köbler's earliest source is Plautus.[5] Köbler dates Plautus c. 250–184 BC.[5]
Semantic evolution
It meant sour wine, vinegar, and the tang of vinegar, and Cato has vinegar sweetened with honey, and the OLD's first citation is Livy.[2][6] Varro notes that it has no plural.[2]
In Ecclesiastical Latin it means vinegar, acid.[7] DÉRom reconstructs Proto-Romance ⟨*/aˈketu/⟩ “vinegar” and an adjective “sharp-tasting”.[8] It survives as Italian aceto, and Old English eced “vinegar” was borrowed from it.[1][5]
Timeline
- c. 250–184 BC – Plautus uses it.[5]
- 234–149 BC – Cato has honeyed vinegar.[6][5]
- 59 BC–17 AD – Livy uses it.[2][5]
Meanings
Noun
Word family
- ace"to
- acētāria
- acētōsus
- acētābulum
Related words
Usage notes
Pliny the Elder uses an acētum for virgin honey, which Gaffiot and Köbler take as a different word, from Greek ἄκοιτον.[6][5][2]
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ Buchi, Éva; Schweickard, Wolfgang, eds. (2008–), Dictionnaire Étymologique Roman (DÉRom), Nancy: ATILF, http://www.atilf.fr/DERom
Cite this entry
“Acetum.” Etymologically, 17 Oct. 2026, etymologically.com/la/acetum. Accessed 17 Oct. 2026.
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