Etymology and origin of the Ancient Greek word παράλληλος
- Confidence
- Established
- Formation
- Compound
- First attested
- 300s BC Aristotle More words from the 4th century BC
- Ultimate origin
- Ancient Greek παρά,ἀλλήλων
Etymology tree
From the same root
Pronunciation
Forms
πᾰρᾰ́λληλος (parállēlos) m or f (neuter πᾰρᾰ́λληλον); second declension[1]
Etymology
It is formed from Ancient Greek παρά (pará, “beside”) + ἀλλήλων (allḗlōn, “one another”), “beside one another”.[1][2] It was often used as a noun, from phrases with “lines” or “circles” understood, and has the same formation as ἐπάλληλος (epállēlos) and κατάλληλος (katállēlos).[2]
Earliest recorded meaning
It is first found in Aristotle, who speaks of parallel lines and, in the Mechanics, of a seated man whose head and feet are parallel.[3][2][4]
Semantic evolution
From geometry it passed to astronomy and geography: the parallel circles were the five zones of the sphere, and Hipparchus and Strabo use the word for a parallel of latitude, such as the one through the Borysthenes.[3] Polybius uses it of ships and troops side by side and, with a dative, of a palisade running alongside a wall.[5][3]
Plutarch called his paired biographies of Greeks and Romans the Parallel Lives, and used the word of persons and circumstances that match each other.[5][3] Grammarians used it of words set side by side with the same sense, and its adverb of forms used indifferently.[3] The Hellenistic compounds παραλληλόγραμμος (parallēlógrammos) and παραλληλεπίπεδος (parallēlepípedos) come from it.[2]
It was borrowed as Latin parallēlus.[1] Modern Greek uses the learned παράλληλος (parálilos); the noun for a celestial parallel is a semantic loan from French, and words such as the one for “parallelism” render French learned terms made from the Greek.[6][2]
Timeline
- 4th century BC – Aristotle uses it of parallel lines.[3][2][7]
- 2nd century BC – Hipparchus uses it for a parallel of latitude.[3][7]
- 2nd century BC – Polybius uses it of things running parallel to one another.[3][5][7]
- 1st century BC to 1st century AD – Strabo names the parallel through the Borysthenes.[3][7]
- 1st–2nd century AD – Plutarch writes his Parallel Lives.[3][5][7]
- 2nd century AD – Apollonius Dyscolus uses it of words used side by side with the same meaning.[3][7]
- Modern Greek – The learned παράλληλος (parálilos) names a parallel in geography and astronomy.[6]
Meanings
Adjective
- Beside one another, side by side (of ships, troops in columns).[3][5]
- (geometry) Parallel; as a feminine noun, a parallel line.[3][2]
- Running alongside, parallel to something (with the dative).[3][5]
- (astronomy, geography) As a masculine noun, a parallel of latitude; in the plural, the five zones of the sphere.[3]
- Matching, comparable (of persons, their lives and circumstances).[5][3]
- (grammar) Of words used side by side with the same meaning.[3]
Word family
- παραλληλεπίπεδος (parallēlepípedos)
- παραλληλισμός (parallēlismós)
- παραλληλόγραμμος (parallēlógrammos)
- παραλληλότης (parallēlótēs)
Related words
- Latin parallēlus
- English parallel
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g Babiniotis, Georgios (2010), Ετυμολογικό λεξικό της νέας ελληνικής γλώσσας [Etymological Dictionary of Modern Greek], Athens: Κέντρο Λεξικολογίας
- ^ a b c d e f g h i j k l m n o p q Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
- ^ Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
- ^ a b c d e f g Diggle, James, et al., eds. (2021), The Cambridge Greek Lexicon, Cambridge: Cambridge University Press
- ^ a b Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
- ^ a b c d e f Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge
Cite this entry
“Παράλληλος.” Etymologically, 13 Nov. 2026, etymologically.com/grc/%CF%80%CE%B1%CF%81%CE%AC%CE%BB%CE%BB%CE%B7%CE%BB%CE%BF%CF%82. Accessed 14 Nov. 2026.
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