- Confidence
- Probable
- Formation
- Inherited
- First attested
- Homer, Iliad
- Inherited from
- Proto-Hellenic *kónsmos
- Ultimate origin
- Proto-Indo-European (*ḱens-)
Pronunciation
- IPA (5th-century BC Attic): /kóz.mos/[1]
- IPA (4th-century AD Koine): /ˈkoz.mos/[1]
- IPA (10th-century Byzantine): /ˈkoz.mos/[1]
Forms
κόσμος (kósmos) m (genitive κόσμου); second declension[1]
Etymology
It is inherited from Proto-Hellenic *kónsmos,[1] inherited from Proto-Indo-European *ḱónsmos, a noun in -μος from the root *ḱens- (“to announce, put in order”).[1][2] Beekes considers *ḱoNs-mo- the most probable reconstruction; it makes the word a relative of Latin cēnseō (“to assess, estimate”) and Sanskrit शंसति (śaṃsati, “to praise”), and the original meaning would have been “to put in order by speaking”, with “to adorn” a later development within Greek.[2][1] Within Greek it may be related to κέκασμαι (kékasmai, “to excel”).[3][2]
Frisk found none of the many proposals satisfactory: others had connected it with κεδνός (kednós, “careful, trusty”), with Latin corpus or with κομψός (kompsós, “refined”).[4][5]
Earliest recorded meaning
Homer uses it for order and for ornament: κατὰ κόσμον means “duly, properly”, and οὐ κατὰ κόσμον “in an unseemly way”.[6][7] It is also an ornament for a horse and a woman's dress, and in the Odyssey the “making” of the wooden horse.[6][8]
Semantic evolution
In Classical Greek it is order of every kind: the order of troops (fleeing “in no order”), good behaviour and discipline, and the order of a state, its constitution or government, as the Spartan constitution in Herodotus or the oligarchy in Thucydides.[7][8] The sense “ornament” continued, of dress, of equipment, and in rhetoric of the ornaments of speech in Isocrates and Aristotle.[7][8] It could also mean honour or credit: in Sophocles, “silence is a woman's ornament”.[7] In Crete the chief magistrates were called κόσμοι.[7][2]
In philosophy it became the ordered world, the universe, first with Pythagoras or Parmenides.[7][2] Heraclitus says that “this cosmos” was made by no god or man, but always was, is and will be fire.[7] Xenophon still speaks of “what the sophists call the cosmos”, but in Plato and Aristotle it is the normal term, and Epicurus speaks of many worlds.[7]
In Koine it came to mean the world of men: the Septuagint uses it for the universe, the earth, mankind and ornament,[9] and the New Testament for adornment, for the inhabited earth, for the way of the world, and for people estranged from God, as in “what does it profit a man to gain the whole world?”[10][11][5]
Medieval vernacular Greek used it for an ornament, the universe, the earth or a country, mankind, and a crowd of people.[12] Modern Greek κόσμος (kósmos) is the universe, the world and also people, society; some senses follow French monde.[13][5] English cosmos is recorded c. 1200, but became popular only after 1848, as the equivalent of Humboldt's Kosmos.[14]
Timeline
- Homer – The Iliad and the Odyssey use it for order and for ornament.[6][7]
- 6th–5th century BC – Heraclitus says the world-order always was and will be fire.[7][15]
- 5th century BC – Herodotus uses it for the Spartan constitution, and Sophocles calls silence a woman's ornament.[7][15]
- 5th–4th century BC – Plato uses it for the universe.[7][15]
- 4th century BC – Aristotle describes the κόσμοι, the magistrates of Crete.[7][15]
- 1st century AD – The New Testament uses it for the world estranged from God.[10][11]
- c. 1200 – English cosmos is first recorded.[14]
Meanings
Noun
- order; κατὰ κόσμον, duly, properly.[7][8]
- Good behaviour, discipline.[7]
- Form, fashion; the making of something.[7][8]
- The order of a state, its constitution or government.[7][8]
- ornament, adornment, dress; ornaments of speech.[7][8]
- Honour, credit.[7]
- (Crete) A chief magistrate, or the body of them.[7][2]
- (philosophy) The world-order, the universe.[7][8]
- (Koine) The world, the earth; mankind; in the New Testament, the world estranged from God.[9][11]
Word family
- εὔκοσμος (eúkosmos)
- κοσμέω (kosméō)
- κόσμησις (kósmēsis)
- κόσμιος (kósmios)
- κοσμικός (kosmikós)
- κοσμητικός (kosmētikós)
- κοσμοπολίτης (kosmopolítēs)
Related words
- Latin cēnseō
- English cosmopolitan
- English microcosm
Usage notes
Ancient grammarians derived κόσμος from κέκασμαι (kékasmai, “to excel”), which modern scholars also connect with it, or from κεῖσθαι ἅμα, “to lie together”.[3]
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f 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 Etygram: ancient etymologies of Greek words, CEPAM, Université Côte d'Azur, http://appsweb-cepam.unice.fr/etygram
- ^ Frisk, Hjalmar (1960–1972), Griechisches etymologisches Wörterbuch, 3 vols, Heidelberg: Carl Winter
- ^ a b c Πάπυρος–Larousse–Britannica, Μέγα Λεξικό της Ελληνικής Γλώσσας, Athens: Πάπυρος
- ^ a b c Cunliffe, Richard John (1924), A Lexicon of the Homeric Dialect, London: Blackie and Son
- ^ a b c d e f g h i j k l m n o p q r s t u 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 h Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
- ^ a b Lust, Johan; Eynikel, Erik; Hauspie, Katrin (2003), Greek-English Lexicon of the Septuagint, rev. ed., Stuttgart: Deutsche Bibelgesellschaft
- ^ a b Bauer, Walter; Danker, Frederick W., et al. (2000), A Greek-English Lexicon of the New Testament and Other Early Christian Literature, 3rd ed., Chicago: University of Chicago Press
- ^ a b c United Bible Societies (2023), UBS Dictionary of the Greek New Testament (revised Louw–Nida semantic domains), open-licence ed.
- ^ Kriaras, Emmanuel, Επιτομή του Λεξικού της μεσαιωνικής ελληνικής δημώδους γραμματείας 1100–1669, Κέντρο Ελληνικής Γλώσσας, https://www.greek-language.gr
- ^ Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
- ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c d Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
Descendants
- English cosmopolitan
Related etymologies
Cite this entry
“Κόσμος.” Etymologically, 15 Oct. 2026, etymologically.com/grc/%CE%BA%CF%8C%CF%83%CE%BC%CE%BF%CF%82. Accessed 15 Oct. 2026.
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