Etymologically

ἐπείσοδος

Etymology and origin of the Ancient Greek word ἐπείσοδος

Confidence
Established
Formation
Derivation
First attested
400s BC Sophocles, Oedipus at Colonus More words from the 5th century BC
Ultimate origin
Ancient Greek εἴσοδος
Etymology tree
inherited borrowed derived
Ancient Greek εἰς (eis)
Ancient Greek εἴσοδος (eísodos)
Ancient Greek ἐπείσοδος (epeísodos)

Pronunciation

  • 5th-century BC Attic: /e.pěː.so.dos/[1]
  • 4th-century AD Koine: /eˈpi.so.ðos/[1]
  • 10th-century Byzantine: /eˈpi.so.ðos/[1]

Forms

ἐπείσοδος (epeísodos) f (genitive ἐπεισόδου); second declension[1]

Etymology

It is formed from Ancient Greek ἐπι- (epi-, “upon, besides”) + εἴσοδος (eísodos, “entrance”), so a coming in on top of something or from outside.[1][2][3]

Earliest recorded meaning

The earliest text with the word is Sophocles' Oedipus at Colonus (line 730), where it means a person's arrival or approach: ἡ ἐμὴ ἐπείσοδος, “my coming”.[4][5][6]

Semantic evolution

It is a rare word: the GLAUx corpus has only six examples, one from the 5th century BC and the rest from the Roman period.[6] Besides the Oedipus at Colonus, Sophocles used it in a lost play known from a fragment.[4]

In later prose it means an entrance from outside, a penetration: Epicurus' On Nature and the Placita of the philosophers use it of something entering a body, Oribasius of cold air coming in, and Philo of godless thoughts that intrude on the mind.[4][2][5] In the 12th century Tzetzes uses it for ἐπεισόδιον (epeisódion), an episode.[7]

Timeline

  • 5th century BC – Sophocles uses it in the Oedipus at Colonus for an arrival.[4][6]
  • 1st century BC to 1st century AD – Philo writes of the intrusion of godless thoughts.[4]
  • 4th century AD – Oribasius uses it of cold air entering the body.[4]
  • 12th century AD – Tzetzes uses it in the sense of ἐπεισόδιον (epeisódion), an episode.[7]

Meanings

Noun

  1. A coming in besides; an arrival, approach.[4][8][2]
  2. Entrance from outside, penetration (of air, of thoughts).[4][2][5]
  3. (Byzantine) The same as ἐπεισόδιον (epeisódion), an episode.[7]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Bailly, Anatole (2020), Dictionnaire grec-français, Bailly 2020 Hugo Chávez ed., ed. Gérard Gréco et al.
  3. ^ Malhadas, Daisi; Dezotti, Maria Celeste C.; Neves, Maria Helena de Moura, eds. (2006–2010), Dicionário Grego-Português, São Paulo: Ateliê; digital ed. 3 (2022), UNESP Araraquara
  4. ^ 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
  5. ^ a b c Дворецкий, И. Х. (1958), Древнегреческо-русский словарь, Moscow: ГИС
  6. ^ a b c Keersmaekers, Alek (2021–2025), GLAUx: The Greek Language Automated corpus, https://github.com/alekkeersmaekers/glaux
  7. ^ a b c Pape, Wilhelm (1914), Griechisch-deutsches Handwörterbuch, 3rd ed., rev. Max Sengebusch, Braunschweig: Vieweg
  8. ^ Liddell, Henry George; Scott, Robert (1889), An Intermediate Greek-English Lexicon, Oxford: Clarendon Press
Cite this entry

“Ἐπείσοδος.” Etymologically, 13 Nov. 2026, etymologically.com/grc/%E1%BC%90%CF%80%CE%B5%CE%AF%CF%83%CE%BF%CE%B4%CE%BF%CF%82. Accessed 13 Nov. 2026.

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