Etymology and origin of the Ancient Greek word κατά
- Confidence
- Probable
- Formation
- Inherited
- First attested
- 700s BC Homer, Iliad
- Inherited from
- Proto-Hellenic *kətá
- Ultimate origin
- Proto-Indo-European *km̥t-
Pronunciation
Forms
κᾰτᾰ́ (katá) (governs the genitive and accusative)[1] Dialect κάτ, assimilated to the next consonant (κὰδ before δ, κὰκ before κ, κὰπ before π…); elided κατ᾽, and καθ᾽ before a rough breathing.[2][3] Also καται- in compounds such as καταιβάτης (kataibátēs), an epithet of Zeus, and Arcadian κατύ.[4][5] It may follow its noun with the accent thrown back (Λυκίην κάτα “in Lycia”).[2]
Etymology
It is inherited from Proto-Hellenic *kətá,[1] from Indo-European Proto-Indo-European *km̥t- “down, with, along”.[4][6] It is identical with Hittite kattan “below, underneath” and katta “along with”, and the old Celtic word for “with”, Old Welsh cant and Old Irish cét-, probably belongs here too.[4][5][7] Beekes and Frisk leave open a further link with Indo-European *kom, the source of Latin cum, and Wiktionary reconstructs *ḱm̥-th₂ from *ḱóm “beside, with”.[4][5][1] The by-forms καται- (katai-) and Arcadian κατύ (katú) are best explained as made on the model of παραί (paraí) and ἀπύ (apú).[4][5]
Earliest recorded meaning
From Homer on it is an adverb and a preposition with the genitive and the accusative.[4][8][9] Homer uses it with the genitive for movement down from heaven, mountains or horses and down into the earth, and with the accusative for movement down along a stream, over the sea and throughout a city or a camp.[2][10]
Semantic evolution
Chantraine explains the uses from a general sense of fitting oneself to something: with the accusative “towards, in accordance with”, with the genitive “down from” and “against”.[7] Greek paired it with ἀνά (aná) as opposites, κατά “downwards” against ἀνά “upwards”, and Homer's adverb κάτα “below” was later replaced by κάτω (kátō).[7] The genitive developed the hostile sense “against” someone, and the accusative the distributive sense (κατὰ φυλάς “tribe by tribe”, καθ᾽ ἡμέραν “every day”) and the sense of conformity, as in κατὰ φύσιν “naturally” and κατὰ δίκην “justly”.[2][8]
As a prefix (κατα-) it expresses movement downwards, return, and very often the completion of an action, as in κατακτείνω (katakteínō) “kill outright” and καταφαγεῖν “eat up”.[7] The Septuagint and the New Testament use both cases often, with the genitive for “down from” and “against” and with the accusative for “according to”.[11][12] Coptic borrowed it as ⲕⲁⲧⲁ (kata), attested from about AD 200.[13] Latin borrowed it as cata, and English uses the learned prefix English cata-.[1][6]
Modern Greek κατά (katá) keeps many of the old uses with the accusative; its use with the genitive for “against” is a learned semantic loan from French contre.[3]
Timeline
- Homer – The Iliad uses it with the genitive for “down from” and with the accusative for “down along, throughout”.[2][9]
- 5th century BC – Herodotus uses it with the accusative for “at or around” a time and “in the time of” someone.[2][14]
- 5th century BC – Thucydides uses κατὰ μίαν of ships sailing one by one, in column.[2][14]
- 4th century BC – Aristotle uses κατὰ κεφαλήν for “per head”.[2][14]
- About AD 200 – Coptic borrows it as ⲕⲁⲧⲁ (kata).[13]
- Modern Greek – κατά (katá) with the genitive takes the sense “against” from French contre.[3]
Meanings
Preposition
- (with genitive) down from: from heaven, a mountain, a wall or a horse; of tears flowing from the eyes.[2][8]
- (with genitive) Down into, down over, down through: into the earth, over the head or the hands.[2]
- (with genitive) against, in a hostile sense.[2][8]
- (with genitive) Of time: for all time.[2]
- (with accusative) Down along, along, over: a stream, a road, the sea; everywhere in, throughout a city or country.[2]
- (with accusative) In, at, near a place; opposite, facing; off a coast; in the company of.[2]
- (with accusative) Of time: during, in the course of, at about, in the time of someone, as in καθ᾽ ἡμέραν every day.[2][8]
- (with accusative) Distributively: by tribes, villages or groups, as in κατ᾽ ἔπος word by word and καθ᾽ αὑτόν by oneself.[2]
- (with accusative) For the purpose of; in search of, after something.[2]
- (with accusative) In accordance with, according to: one's will, the law, custom, one's ability; like, comparable to.[2][8]
Adverb
Word family
- καταβαίνω (katabaínō)
- καταλαμβάνω (katalambánō)
- καταλείπω (kataleípō)
- κατάλογος (katálogos)
- κατηγορέω (katēgoréō)
- κατηγορία (katēgoría)
- καθίστημι (kathístēmi)
- κατάστασις (katástasis)
- καταστροφή (katastrophḗ)
- κατέχω (katékhō)
- καθολικός (katholikós)
- κατακλυσμός (kataklusmós)
- κατάρα (katára)
- κάτω (kátō)
Related words
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o p q r Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
- ^ a b c Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
- ^ a b c d e f g 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 Frisk, Hjalmar (1960–1972), Griechisches etymologisches Wörterbuch, 3 vols, Heidelberg: Carl Winter
- ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c d e 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 c d e f Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
- ^ a b Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
- ^ Cunliffe, Richard John (1924), A Lexicon of the Homeric Dialect, London: Blackie and Son
- ^ Lust, Johan; Eynikel, Erik; Hauspie, Katrin (2003), Greek-English Lexicon of the Septuagint, rev. ed., Stuttgart: Deutsche Bibelgesellschaft
- ^ 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 Database and Dictionary of Greek Loanwords in Coptic (DDGLC), Freie Universität Berlin and Universität Leipzig
- ^ a b c Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
Derived terms
Borrowed into
- Latin cata
Related etymologies
Cite this entry
“Κατά.” Etymologically, 1 Nov. 2026, etymologically.com/grc/%CE%BA%CE%B1%CF%84%CE%AC. Accessed 2 Nov. 2026.
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