Etymologically

hilaris

Etymology and origin of the Latin word hilaris

Confidence
Established
Formation
Borrowing
First attested
Plautus
Borrowed from
Ancient Greek ἱλαρός
Ultimate origin
Ancient Greek (ἱλαρός)

Pronunciation

  • IPA (Classical): [ˈhɪ.ɫa.rɪs][1]
  • IPA (Ecclesiastical): [ˈiː.la.ris][1]

Forms

hilaris (neuter hilare, comparative hilarior, superlative hilarissimus, adverb hilarē or hilariter); third-declension two-termination adjective[1] Also hilarus, -a, -um, the form under which the OLD enters it.[2]

Etymology

It is borrowed from Ancient Greek ἱλαρός (hilarós, “cheerful, merry”), from ἵλαος (hílaos, “propitious, gracious”).[2][1][3] Etymonline relates the Greek to a root *selh- “to reconcile”, as in sōlor “to comfort”.[4]

Earliest recorded meaning

The OLD's earliest citations are from Plautus, of a cheerful slave, in the form hilarus.[2] Köbler dates Plautus c. 250–184 BC.[5]

Semantic evolution

It meant cheerful, light-hearted, of good cheer, as Plautus' hilarissumum convīvam and Cicero's hilarī animō esse, and of features and expression cheerful, and in Columella of animals lively.[2][6] Of events and writings it meant marked by cheerfulness, as Cicero's hilara Sāturnālia, and of things cheerful in aspect.[2] Döderlein explains that gaudēre is joy as an inward state, while laetārī and hilarem esse are its outward expression.[7]

In Ecclesiastical Latin it meant cheerful, joyful, smiling.[8] British Medieval Latin used it of happiness and of a cheerful face or voice.[9] English hilarious came in 1823 from it, first “cheerful”.[4]

Timeline

  • c. 250–184 BC – Plautus uses hilarus of a cheerful slave.[2][5]
  • 81–43 BC – Cicero uses hilarī animō.[6][5]
  • 1st century AD – Columella uses it of lively animals.[2][5]
  • 1823 – English hilarious is recorded.[4]

Meanings

Adjective

  1. Cheerful, light-hearted, merry.[2]
  2. Of animals, lively.[2]
  3. Marked by cheerfulness.[2]
  4. Cheerful in appearance.[2]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  5. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ Döderlein, Ludwig (1874), Döderlein’s Hand-book of Latin Synonymes, tr. H. H. Arnold, Andover: W. F. Draper
  8. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  9. ^ Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press

Related etymologies

Cite this entry

“Hilaris.” Etymologically, 16 Oct. 2026, etymologically.com/la/hilaris. Accessed 16 Oct. 2026.

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