Etymologically

Etymology and origin of the Latin word obex

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Proto-Indo-European (*(H)ieh₁-)

Pronunciation

  • Ecclesiastical: [ˈɔː.beks][1]

Forms

ō̆bex m or f (genitive ō̆bicis); third declension[1] It is also spelled obiex.[2][3] Silius Italicus scans the first syllable short.[4]

Etymology

It is formed from obiciō (“to throw in the way”), "that which is put in front".[4][5][1] That verb is a compound of ob- and iaciō (“to throw”), which de Vaan traces to Proto-Italic *jak-i- (“to throw”) and Proto-Indo-European *(H)ieh₁- (“to throw, let go”).[6] The TLL files it under the spelling ⟨obiex⟩.[2]

Earliest recorded meaning

Plautus uses it in the Persa of an obstacle;[5] Lewis & Short note that it is mostly poetic and post-Augustan, and absent from Cicero and Caesar.[5]

Semantic evolution

It is the bar or bolt that fastens a door or gate: Virgil has door-posts propped and fortified with a bar, and Ovid gates closed with a firm bolt;[5][4] Tacitus and Ammianus speak of the iron bars of city gates.[5] It is also anything that blocks an entrance, as the huge rock behind which Proteus hides in Virgil.[4][5] From there it is a barrier or obstacle: in Virgil the sea shuts “us” in with a great barrier,[4] and the sea's rocky shores are its barriers.[5] Livy uses it of obstacles on the roads,[5] and Pliny the Younger of the absence of obstacles to admission.[5] Döderlein says that pessulī, repāgula and obicēs are bars that take the place of bolts.[7] Its gender is either masculine or feminine, and the nominative singular is very rare.[5] Stelten gives "hindrance, obstacle" for Church Latin.[8]

Timeline

  • c. 250–184 BC – Plautus of an obstacle.[5]
  • 70–19 BC – Virgil of bars and barriers.[5][4]
  • 59 BC–17 AD – Livy of obstacles on the roads.[5]
  • 98–115 AD – Tacitus of the bars of gates.[5]

Meanings

Noun

  1. A bar or bolt fastening a door or gate.[4][5][1]
  2. Anything that blocks an entrance; a barricade, wall.[4][5][1]
  3. A barrier, obstacle, hindrance.[4][5][8][1]

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  3. ^ Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b c d e f g h i Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  5. ^ a b c d e f g h i j k l m n o p q Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  7. ^ Döderlein, Ludwig (1874), Döderlein’s Hand-book of Latin Synonymes, tr. H. H. Arnold, Andover: W. F. Draper
  8. ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry

“Obex.” Etymologically, 20 Oct. 2026, etymologically.com/la/obex. Accessed 20 Oct. 2026.

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