Etymology and origin of the Ancient Greek word ἐνθουσιάζω
- Confidence
- Established
- Formation
- Derivation
- First attested
- 6th–5th century BC, Aeschylus
- Ultimate origin
- Ancient Greek ἔνθεος
From the same root
Forms
ἐνθουσιάζω (enthousiázō) [1]
Etymology
It is formed from Ancient Greek ἔνθους (énthous) + -ιάζω (-iázō),[1] from the contracted form of ἔνθεος (éntheos, “possessed by a god”), literally “having a god within”.[2][1] Beekes explains the ending by the influence of the verbs in -σιάζω (-siázō), like θυσιάζω (thusiázō), and of the verbs of illness in -ιάω (-iáō);[2] Wiktionary adds the influence of οὐσία (ousía).[1] The contraction of ⟨εο⟩ to ⟨ου⟩ is regular.[2]
Earliest recorded meaning
Its first recorded use is in a fragment of Aeschylus, in the form ἐνθουσιάω (enthousiáō), where a house is filled with divine frenzy.[3] Tragedy always uses that form.[3]
Semantic evolution
Plato made it a key word of his account of inspiration: the reciter of Homer, poets and lovers are possessed by a god, and in the Phaedrus the speaker fears being possessed by the nymphs.[3][4][5] In Euripides it means to be beside oneself through one's own sufferings.[5][3] Aristotle says that a style can make the listeners feel inspired, and Plutarch uses it of passionate enthusiasm for philosophy.[3][5] Plotinus applies it to the ecstasy of mystical union.[4] Its nouns were ἐνθουσιασμός (enthousiasmós) and ἐνθουσίασις (enthousíasis).[6][3]
Modern Greek ενθουσιάζω (enthousiázo) is a learned form of the ancient verb, which took the senses of “to fill with enthusiasm” and “to be enthusiastic” under the influence of ενθουσιασμός (enthousiasmós) and of French s'enthousiasmer.[7]
Timeline
- 6th–5th century BC – Aeschylus has the form ἐνθουσιάω.[3][4]
- 5th century BC – Euripides uses it of being beside oneself with suffering.[3][5][4]
- 5th–4th century BC – Plato uses it for the divine possession of poets and seers.[3][4]
- 4th century BC – Aristotle uses it of the effect of a style on the listeners.[3][4]
- 3rd century AD – Plotinus uses it for mystical ecstasy.[4]
- Modern Greek – ενθουσιάζω means “to fill with enthusiasm”.[7]
Meanings
Verb
- To be possessed or inspired by a god, to be in ecstasy.[5][3]
- To be out of one's mind, through suffering.[5][3]
- To be enraptured; to be passionately enthusiastic about something.[5][3]
- (transitive, late) To inspire a feeling in someone.[3]
Word family
- ἐνθουσιασμός (enthousiasmós)
- ἐνθουσιαστής (enthousiastḗs)
Related words
- ἔνθεος (éntheos)
- θεός (theós)
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c Beekes, Robert S. P. (2010), Etymological Dictionary of Greek, with the assistance of Lucien van Beek, Leiden Indo-European Etymological Dictionary Series 10, Leiden; Boston: Brill
- ^ a b c d e f g h i j k l m n Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
- ^ a b c d e f g Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
- ^ a b c d e f g Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
- ^ Chantraine, Pierre (2009), Dictionnaire étymologique de la langue grecque: histoire des mots, new ed. with a supplement (Chroniques d'étymologie grecque 1–10), Paris: Klincksieck
- ^ a b Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
Descendants
- English enthusiasm
Cite this entry
“Ἐνθουσιάζω.” Etymologically, 24 Oct. 2026, etymologically.com/grc/%E1%BC%90%CE%BD%CE%B8%CE%BF%CF%85%CF%83%CE%B9%CE%AC%CE%B6%CF%89. Accessed 24 Oct. 2026.
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