- Confidence
- Uncertain
- Formation
- Inherited
- First attested
- Plautus
Pronunciation
Forms
alacer (feminine alacris, neuter alacre, comparative magis alacer or alacrior, superlative maximē alacer or summē alacer or alacerrimus or alacrissimus, adverb alacriter); third-declension three-termination adjective[1] The masculine is also alacris, in Ennius, Terence and Virgil.[2][3][4]
Etymology
The origin is uncertain.[1] De Vaan considers a derivative of the root Proto-Indo-European *h₂elh₂- (“to wander”) of ambulō “to walk about”, but notes that the meanings do not demand it and the suffix would be rare.[2] Wiktionary takes alacris from an older *alaklis by dissimilation.[1] Georges compared Ancient Greek ἐλαύνω (elaúnō, “to drive”).[5]
Earliest recorded meaning
Plautus uses it.[2] Köbler dates Plautus c. 250–184 BC.[6]
Semantic evolution
It was lively, nimble or brisk, as Ennius' band of youths leaping in Bacchic fashion, and eager, keen or cheerful.[3] Terence asks whether someone is sad or cheerful (alacris), and Cicero describes Catiline as lively and glad.[3][7]
In medieval Latin it was cheerful, lively, eager, brave and swift.[8] It survives as Italian alacre, French allègre and Spanish alegre.[1] English alacrity comes from alacritās, and the musical term allegro from Italian.[9]
Timeline
- c. 250–184 BC – Plautus uses it.[2][6]
- 204–169 BC – Ennius uses alacris of dancing youths.[3][6]
- mid-15th century – English alacrity is recorded, from alacritās.[9]
- 1721 – English allegro is recorded as a musical term.[9]
Meanings
Adjective
Word family
- alacritās
- alacriter
Related words
- English alacrity
- English allegro
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d 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 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
- ^ Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
- ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry
“Alacer.” Etymologically, 16 Oct. 2026, etymologically.com/la/alacer. Accessed 16 Oct. 2026.
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