Etymologically

κατηγορικός

Etymology and origin of the Ancient Greek word κατηγορικός

Confidence
Established
Formation
Derivation
First attested
300s BC Aristotle, Prior Analytics More words from the 4th century BC
Ultimate origin
Ancient Greek κατήγορος
Etymology tree
inherited borrowed derived
Ancient Greek κατά (katá)
Latin cata
Ancient Greek κατήγορος (katḗgoros)
Ancient Greek κατηγορικός (katēgorikós)
Latin catēgoricus
From the same root
Ancient Greek καθέδρα (kathédrā) ← κατά
Ancient Greek κάθοδος (káthodos) ← κατά
Ancient Greek καθόλου (kathólou) ← κατά
Ancient Greek καταλέγω (katalégō) ← κατά
Ancient Greek κατηγορέω (katēgoréō) ← κατήγορος
English categorical ← catēgoricus

Forms

κατηγορικός (katēgorikós) m (feminine κατηγορική, neuter κατηγορικόν); first/second declension; adverb κατηγορικῶς[1][2]

Etymology

It is from Ancient Greek κατήγορος (katḗgoros, “accuser”), with the suffix -ικός (-ikós), according to the CGL, Bailly and Πάπυρος.[2][3][4] The Μείζον derives it from the verb κατηγορέω (katēgoréō, “to accuse; to predicate”), and Etymonline from κατηγορία (katēgoríā, “accusation; predication”).[5][6]

Earliest recorded meaning

It is first found in the 4th century BC: Aristotle's Prior Analytics uses it for affirmative propositions, and the Rhetoric to Alexander for accusatory speech, as opposed to the defence.[1][7]

Semantic evolution

The word followed the two senses of κατηγορέω, to accuse and to assert something of a subject.[1][2] In rhetoric and law it meant accusatory, and Plutarch uses the masculine for informers, the Latin delatores.[1][2] In Aristotle's logic it meant affirmative, opposed to στερητικός (sterētikós, “negative”); the Stoics and Sextus Empiricus then opposed it to “hypothetical”, for a statement joining subject and predicate and the syllogisms built on such statements.[1] Josephus and Galen use the adverb.[1]

Late Latin took it as categoricus, and English categorical appears in logic in the 1590s and as “explicit, unconditional” from the 1610s.[6] Modern Greek κατηγορικός (katigorikós) is a learned word for what is explicit and absolute, and in logic a categorical judgment or syllogism; the “categorical imperative” is modelled on German kategorischer Imperativ.[8][4]

Timeline

  • 4th century BC – Aristotle uses it for affirmative propositions, and the Rhetoric to Alexander for accusatory speech.[1][7][9]
  • 1st century AD – Josephus uses the adverb, “accusingly”.[1][9]
  • 1st–2nd century AD – Plutarch uses the masculine for informers.[1][2][9]
  • 2nd–3rd century AD – Sextus Empiricus uses it for categorical syllogisms, as opposed to hypothetical ones.[1][9]
  • 1590s – English borrows categorical as a term of logic.[6]

Meanings

Adjective

  1. Accusatory, as opposed to the defence; as a masculine noun, an informer.[1][2]
  2. (logic) Affirmative, as opposed to negative.[1]
  3. (logic) Categorical, as opposed to hypothetical; τὸ κατηγορικόν, a statement joining subject and predicate.[1]
  4. Belonging to the predicate.[10]

References

  1. ^ a b c d e f g h i j k l m Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
  2. ^ a b c d e f Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
  3. ^ Bailly, Anatole (2020), Dictionnaire grec-français, Bailly 2020 Hugo Chávez ed., ed. Gérard Gréco et al.
  4. ^ a b Πάπυρος–Larousse–Britannica, Μέγα Λεξικό της Ελληνικής Γλώσσας, Athens: Πάπυρος
  5. ^ Τεγόπουλος, Γ.; Φυτράκης, Ε. (1997), Μείζον Ελληνικό Λεξικό, Athens: Αρμονία
  6. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ a b Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
  8. ^ Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
  9. ^ a b c d Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
  10. ^ Pape, Wilhelm (1914), Griechisch-deutsches Handwörterbuch, 3rd ed., rev. Max Sengebusch, Braunschweig: Vieweg
Cite this entry

“Κατηγορικός.” Etymologically, 13 Nov. 2026, etymologically.com/grc/%CE%BA%CE%B1%CF%84%CE%B7%CE%B3%CE%BF%CF%81%CE%B9%CE%BA%CF%8C%CF%82. Accessed 13 Nov. 2026.

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