Etymologically

ἐνθουσιασμός

Etymology and origin of the Ancient Greek word ἐνθουσιασμός

Confidence
Established
Formation
Derivation
First attested
5th century BC, Democritus
Ultimate origin
Ancient Greek (ἔνθεος)
Etymology tree
inherited borrowed derived
Ancient Greek ἐνθουσιασμός
English enthusiasm

Pronunciation

  • IPA (5th-century BC Attic): /en.tʰuː.si.az.mós/[1]
  • IPA (4th-century AD Koine): /en.θu.si.azˈmos/[1]
  • IPA (10th-century Byzantine): /en.θu.si.azˈmos/[1]

Forms

ἐνθουσῐᾰσμός (enthousiasmós) m (genitive ἐνθουσῐᾰσμοῦ); second declension[1]

Etymology

It is derived from ἐνθουσιάζω (enthousiázō, “to be inspired, possessed by a god”) with the suffix -μός (-mós).[1][2] The verb comes from ἔνθεος (éntheos, “having a god within”), formed from ἐν (en, “in”) and θεός (theós, “god”).[2]

Earliest recorded meaning

Democritus says that whatever a poet writes “with enthousiasmos and holy spirit” is very fine.[3][4]

Semantic evolution

For Plato it was divine possession or inspiration, as of the diviner whose understanding is changed by illness or by some inspiration.[3][5] Aristotle describes it as an emotion of the soul produced by certain kinds of music.[4][5] Diodorus uses it for the frenzy of the Pythia at Delphi, Strabo says it seems to involve a divine breath close to prophecy, and Plotinus and Iamblichus use it for inspired divination.[3] Polybius and Plutarch use it more loosely for a sudden transport of feeling and passionate enthusiasm.[5]

English enthusiasm came from French and Late Latin about 1600; under the Puritans it took on the derogatory sense of excessive religious emotion.[2] Modern Greek ενθουσιασμός (enthousiasmós) is a learned word, partly modelled on French enthousiasme.[6]

Timeline

  • 5th century BC – Democritus uses it for poetic inspiration.[3][4]
  • 5th–4th century BC – Plato uses it for divine possession.[3][5]
  • 4th century BC – Aristotle uses it for rapture produced by music.[4][5]
  • 2nd century BC – Polybius uses it for passionate enthusiasm.[5]
  • 3rd century AD – Plotinus uses it for inspired divination.[3]
  • c. 1600 – English borrows enthusiasm.[2]

Meanings

Noun

  1. Divine possession, inspiration.[5][4]
  2. Rapture, frenzy, as produced by music.[5][4]
  3. A sudden transport of emotion; passionate enthusiasm.[5]
  • ἐνθουσιάζω (enthousiázō)
  • ἔνθεος (éntheos)
  • θεός (theós)
  • English enthusiasm

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c d e f Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
  4. ^ a b c d e f Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
  5. ^ a b c d e f g h i Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
  6. ^ Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki

Descendants

Cite this entry

“Ἐνθουσιασμός.” Etymologically, 15 Oct. 2026, etymologically.com/grc/%E1%BC%90%CE%BD%CE%B8%CE%BF%CF%85%CF%83%CE%B9%CE%B1%CF%83%CE%BC%CF%8C%CF%82. Accessed 15 Oct. 2026.

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