Etymologically

Etymology and origin of the Ancient Greek word ἱερός

Confidence
Probable
Formation
Inherited
First attested
Mycenaean (Linear B)
Inherited from
Proto-Hellenic *iherós
Ultimate origin
Proto-Indo-European *ish₁rós

Pronunciation

  • 5th-century BC Attic: /hiː.e.rós/[1]
  • 4th-century AD Koine: /i.eˈros/[1]
  • 10th-century Byzantine: /i.eˈros/[1]

Forms

ῑ̆̔ερός (hīerós) m (feminine ῑ̆̔ερᾱ́, neuter ῑ̆̔ερόν); first/second declension[1] Ionic and poetic ἱρός (hīrós), Doric ἱαρός, Aeolic ἶρος.[2] Linear B i-je-ro.[3][4]

Etymology

It is inherited from Proto-Hellenic *iherós,[1] inherited from Proto-Indo-European *ish₁rós (“holy”).[1][5] The usual comparison is Sanskrit इषिर (iṣirá, “strong, active”): Homer's “strong might” (ἱερὸν μένος (hieròn ménos)) matches Sanskrit इषिरेण मनसा (iṣiréṇa mánasā) word for word.[5][4] Because the word means both “holy” and “mighty” and its ι is sometimes long, some scholars separate a ϝῑερός (wīerós, “quick”), the source of ἱέραξ (hiérāx, “hawk”), from ἱερός “holy”, which they relate to Oscan 𐌀𐌉𐌔𐌖𐌔𐌉𐌔 (aisusis, “sacrifices”),[5][1] but Beekes holds that the long ι is only metrical lengthening.[5]

Beside Attic-Ionic ἱερός the dialects have ἱαρός (hiarós) (Doric) and ἶρος (îros) (Lesbian).[5][2] García Ramón starts from *h₁ish₂-ro-, connected with ἰνάω (ináō), with the laryngeal lost before ρ; then the Lesbian form continues *isro-, and the other dialects replaced its ending.[5]

Earliest recorded meaning

It is found on the Mycenaean tablets as Mycenaean Greek i-je-ro.[3][4] In Homer it describes what is full of divine power: the might of a hero, rivers, the day and the night, the grain of Demeter, and also places consecrated to a god, such as Troy or a grove of Athena.[2][6][7]

Semantic evolution

After Homer the sense “strong, mighty” fades, and the word means holy, sacred, belonging to a god.[2][8][9] As nouns, τὰ ἱερά were offerings and victims, and after Homer the entrails from which omens were read, while τὸ ἱερόν was a temple or sanctuary (Herodotus).[9] Herodotus calls epilepsy the “sacred disease”, Aristophanes speaks of a sacred war, and Demosthenes of the law of sacrifice,[9][6] while Plutarch uses it for the inviolable Roman tribunes.[9][6]

In the New Testament the holy writings are ἱερὰ γράμματα.[10] In Byzantine Greek the superlative was used of the imperial treasury, and Christian writers used the neuter for relics.[11][3] The modern Modern Greek ιερός (ierós) is a learned word, and ιερά εξέταση “the Inquisition” translates Medieval Latin inquisitio and sanctum officium.[12][13]

Timeline

  • Mycenaean period – The tablets have Mycenaean Greek i-je-ro.[3][4]
  • Homer – It means mighty and divine, and also consecrated to a god.[2][6]
  • Before the 6th century BC – Hesiod calls the race of the immortals “holy”.[6][14]
  • 5th century BC – Herodotus uses τὸ ἱερόν for a temple and calls epilepsy the sacred disease.[9][6][14]
  • 1st–2nd century AD – Plutarch uses it for the inviolable Roman tribunes.[9][14]
  • Modern Greek – Modern Greek ιερός (ierós) is a learned word.[12]

Meanings

Adjective

  1. (Homeric) Filled with divine power, mighty, strong; of a hero's might or an army.[2][6]
  2. Divine, of natural things: the day, rivers, rain.[2][6]
  3. Holy, sacred, consecrated to a god (with the genitive).[2][6][10]
  4. Of persons, under divine protection, inviolable.[6][9]
  5. (neuter plural as a noun) Offerings, sacrifices; the victim's entrails used for omens; sacred rites.[9]
  6. (neuter singular as a noun) A temple, sanctuary.[9]
  7. ἱερὰ νόσος, the sacred disease, epilepsy.[9][6]

Word family

  • ἱεραπόλος (hierapólos)
  • ἱερεύς (hiereús)
  • ἱεροκῆρυξ (hierokêrux)
  • ἱερομνήμων (hieromnḗmōn)
  • ἱεροφάντης (hierophántēs)
  • ἱεράρχης (hierárkhēs)
  • ἱεραρχία (hierarkhíā)
  • ἱεροβοτάνη (hierobotánē)
  • ἱερόγλυφος (hierógluphos)
  • ἱερόγλωσσος (hieróglōssos)
  • ἱερόδουλος (hīeródoulos)
  • ἱεροπομπός (hieropompós)

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h Liddell, Henry George; Scott, Robert; Jones, Henry Stuart (1940), A Greek-English Lexicon, 9th ed., Oxford: Clarendon Press
  3. ^ a b c d Charbonnet, André (2025), Chæréphon, v4.7: supplement to Bailly from papyri, inscriptions and recent lexica
  4. ^ a b c d Babiniotis, Georgios (2010), Ετυμολογικό λεξικό της νέας ελληνικής γλώσσας [Etymological Dictionary of Modern Greek], Athens: Κέντρο Λεξικολογίας
  5. ^ 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
  6. ^ a b c d e f g h i j k Woordenboek Grieks/Nederlands (2012–), Amsterdam: Amsterdam University Press, https://woordenboekgrieks.nl
  7. ^ Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
  8. ^ Pape, Wilhelm (1914), Griechisch-deutsches Handwörterbuch, 3rd ed., rev. Max Sengebusch, Braunschweig: Vieweg
  9. ^ a b c d e f g h i j Liddell, Henry George; Scott, Robert (1889), An Intermediate Greek-English Lexicon, Oxford: Clarendon Press
  10. ^ 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
  11. ^ Korinthios, J. (2025), Grande Dizionario Greco Classico: Greco–Italiano, digital ed., Milan: Hoepli
  12. ^ a b Ινστιτούτο Νεοελληνικών Σπουδών (Ίδρυμα Μανόλη Τριανταφυλλίδη) (1998), Λεξικό της κοινής νεοελληνικής, Thessaloniki: Aristotle University of Thessaloniki
  13. ^ Kriaras, Emmanuel, Επιτομή του Λεξικού της μεσαιωνικής ελληνικής δημώδους γραμματείας 1100–1669, Κέντρο Ελληνικής Γλώσσας, https://www.greek-language.gr
  14. ^ a b c Rodríguez Adrados, Francisco, et al., eds. (1980–), Diccionario Griego-Español, Madrid: CSIC, http://dge.cchs.csic.es/xdge

Related etymologies

Cite this entry

“Ἱερός.” Etymologically, 29 Oct. 2026, etymologically.com/grc/%E1%BC%B1%CE%B5%CF%81%CF%8C%CF%82. Accessed 30 Oct. 2026.

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