Etymologically

Etymology and origin of the Ancient Greek word νοῦς

Confidence
Uncertain
Formation
Inherited
First attested
700s BC Homer, Iliad More words from the 8th century BC
Etymology tree
inherited borrowed derived
Ancient Greek νοῦς (noûs)
English nous

Forms

νοῦς (noûs) m (genitive νοῦ, dative νῷ); contracted second declension[1][2] Uncontracted νόος (nóos) in Homer and Ionic, where Homer has the contracted form once and Herodotus never.[2][3] Aeolic genitive νῶ (nô) (Alcaeus) and accusative νῶν (nôn) (Sappho).[2][3] In the New Testament and later writers also third-declension forms: genitive νοός (noós), dative νοΐ (noḯ).[2][4][5]

Etymology

It is the Attic contracted form of νόος (nóos).[2][3] Beekes and Frisk regard it as an old inherited action noun with the vowel ⟨ο⟩, like λόγος (lógos), but it has no certain etymology.[3][6][4]

A comparison with Proto-Germanic *snutraz (“wise, clever”) is possible but not compelling, in Beekes's view.[3][7] Heubeck defended a link with νεύω (neúō, “to nod”), which Frisk thought no better.[3][6] A link with νέομαι (néomai, “to return home”) fits the form but not, according to Beekes, the meaning.[3] Ruijgh connected the Mycenaean personal names Mycenaean Greek no-e-u and Mycenaean Greek wi-pi-no-o with that root, with a sense moving from “saving” to “watching”, an idea Chantraine calls ingenious but uncertain.[4]

Earliest recorded meaning

In Homer νόος (nóos) is the mind as it perceives and thinks: nothing escapes “the shrewd mind of Zeus”.[2][4] Its field overlaps with that of θυμός (thūmós), since one can rejoice “in one's noos”, and it can also be a plan that leads to action.[4][1]

Semantic evolution

From Homer on the word covered the mind, a person's disposition, good sense, intentions and plans.[1][2] Phrases such as sun nōi “sensibly” were common in Herodotus and Plato, and Heraclitus punned on xun nōi “with sense” and xunōi “common”.[2] Aristophanes and Herodotus also use it of the meaning or point of a word or act.[1][4]

Philosophers made it a principle of the universe: for Anaxagoras it was the intelligence that orders the world, and Plato and Aristotle used it for reason as a creative power.[4][1][7] Later philosophers used it in the plural, rare in early texts.[2] In the New Testament it occurs mainly in Paul's letters, for the mind as opposed to the flesh, understanding and a way of thinking.[5]

Modern Greek νους (nous) continues the ancient word; one sense of it follows French esprit.[8] English borrowed nous in philosophy in the 1670s, and in 1706 it appears as college slang for common sense.[9]

Timeline

  • Homer – The Iliad uses νόος (nóos) for the mind of gods and men; the Odyssey has the contracted form once.[2][4]
  • 6th–5th century BC – Heraclitus plays on its likeness to the word for “common”.[2]
  • 5th century BC – Anaxagoras makes it the intelligence that orders the universe.[4][7]
  • 5th century BC – Herodotus uses it of the point of a ritual or gift.[1]
  • 5th–4th century BC – Plato uses it for reason as a creative principle.[1][4]
  • 1st century AD – Paul's letters use it for the mind and understanding, with new third-declension forms.[5][2]
  • 1670s – English borrows nous as a philosophical term.[9]

Meanings

Noun

  1. The mind, as the seat of thought and perception.[1][2]
  2. Disposition, temper, feelings.[1]
  3. Good sense, intelligence, understanding.[1][2]
  4. A state of mind: thoughts, intentions, wishes.[1]
  5. A purpose, plan or design.[1][7]
  6. (philosophy) Mind or reason as a creative principle of the universe.[1][4]
  7. The sense or meaning of a word, a ritual or a speech.[1][7]
  8. (New Testament) The mind as opposed to the flesh; a way of thinking.[5]

Word family

  • νοέω (noéō)
  • νόημα (nóēma)
  • νοερός (noerós)
  • διάνοια (diánoia)
  • ἔννοια (énnoia)
  • νουθετέω (nouthetéō)
  • νουνεχής (nounekhḗs)
  • εὔνοος (eúnoos)

Usage notes

Tragedy uses the contracted form except in two lines.[2] νοῦν ἔχειν “to have sense” gave the compound νουνεχής (nounekhḗs) “prudent”.[3]

References

  1. ^ a b c d e f g h i j k l m n Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
  2. ^ 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
  3. ^ a b c d e f g h 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
  4. ^ a b c d e f g h i j k 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
  5. ^ a b c d 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
  6. ^ a b Frisk, Hjalmar (1960–1972), Griechisches etymologisches Wörterbuch, 3 vols, Heidelberg: Carl Winter
  7. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  8. ^ Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
  9. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Νοῦς.” Etymologically, 13 Nov. 2026, etymologically.com/grc/%CE%BD%CE%BF%E1%BF%A6%CF%82. Accessed 14 Nov. 2026.

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