Etymology and origin of the Ancient Greek word ἠθικός
- Confidence
- Established
- Formation
- Derivation
- First attested
- 300s BC Aristotle
- Ultimate origin
- Ancient Greek ἦθος
Pronunciation
Forms
ἠθῐκός (ēthikós) m (feminine ἠθῐκή, neuter ἠθῐκόν); first/second declension[1]
Etymology
It is formed from Ancient Greek ἦθος (êthos, “character, moral nature”) + -ικός (-ikós).[1][2][3][4] The noun differs from ἔθος (éthos, “custom, habit”) only in its long vowel, and both may go back to Proto-Indo-European *swedʰ- (“custom”), though Beekes marks this as doubtful.[5]
Aristotle wrote that moral virtue is the product of habit and takes its name, with a slight change, from the word for habit.[6]
Earliest recorded meaning
It is first found in Aristotle, in the 4th century BC, who uses it often.[7][4] He calls moral virtue “ethical” in contrast to intellectual virtue, and speeches “ethical” when they express the speaker's character.[3][2]
Semantic evolution
Aristotle also used it in criticism of the arts: the Odyssey is a poem of character, the Iliad one of passion, and some musical modes, painters and sculptors are “ethical”, expressing character, while the aulos is not.[3][2] His work on morals was called Ethics.[3][2]
Later philosophy made the ethical part of philosophy one of its three branches, beside the physical and the dialectical, as in Diogenes Laertius, and Strabo speaks of moral philosophy.[3] Philo uses the feminine alone for ethics.[3] Plutarch uses it for tact, and its adverb of a smile full of expression.[3]
English ethic comes through Old French and Late Latin from the phrase for moral philosophy, and ethics also echoes the title of Aristotle's work.[8] The word lived on in medieval Greek, and Modern Greek ηθικός (ithikós) is learned, with its modern sense shaped by French moral; the noun ηθικό (ithikó) “morale” is a calque on French.[9][10][4]
Timeline
- 4th century BC – Aristotle contrasts moral with intellectual virtue and calls the Odyssey a poem of character.[3][2][11]
- 1st century BC to 1st century AD – Strabo speaks of moral philosophy.[3][11]
- 1st–2nd century AD – Plutarch uses it of tact, and its adverb of an expressive smile.[3][11]
- 3rd century AD – Diogenes Laertius names ethics as one part of philosophy, beside physics and dialectic.[3][11]
- Modern Greek – The learned ηθικός (ithikós) means “moral”, with its sense shaped by French usage.[10][4]
Meanings
Adjective
- Moral, relating to moral character, as opposed to intellectual.[3][2]
- Concerning ethics: in the neuter plural a treatise on morals, in the feminine ethics itself.[3][2]
- Showing or expressing character, of speech, poetry, music, painting and sculpture.[3][2]
- Of music: having a good moral influence.[2]
- Tactful.[3]
Word family
- ἠθικῶς (ēthikôs)
Related words
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
- ^ a b c d e f g h i j k l m n o Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
- ^ a b c d Babiniotis, Georgios (2010), Ετυμολογικό λεξικό της νέας ελληνικής γλώσσας [Etymological Dictionary of Modern Greek], Athens: Κέντρο Λεξικολογίας
- ^ 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
- ^ Etygram: ancient etymologies of Greek words, CEPAM, Université Côte d'Azur, http://appsweb-cepam.unice.fr/etygram
- ^ Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
- ^ Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ Kriaras, Emmanuel, Επιτομή του Λεξικού της μεσαιωνικής ελληνικής δημώδους γραμματείας 1100–1669, Κέντρο Ελληνικής Γλώσσας, https://www.greek-language.gr
- ^ a b Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
- ^ a b c d Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
Borrowed into
- Latin ethicus
Cite this entry
“Ἠθικός.” Etymologically, 1 Nov. 2026, etymologically.com/grc/%E1%BC%A0%CE%B8%CE%B9%CE%BA%CF%8C%CF%82. Accessed 2 Nov. 2026.
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