Etymologically

bilinguis

Etymology and origin of the Latin word bilinguis

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Latin lingua
Etymology tree
inherited borrowed derived
Latin lingua
French langue
Italian lingua
Latin bilinguis
From the same root
Latin elinguis ← lingua
Latin lingula ← lingua

Pronunciation

  • Classical: [bɪˈlɪŋ.ɡʷɪs][1]
  • Ecclesiastical: [biˈliŋ.ɡʷis][1]

Forms

bilinguis (neuter bilingue); third-declension two-termination adjective[1] A variant bilinguus is also found, and Varro has the plural bilinguos.[2]

Etymology

It is formed from Latin bi- + lingua (“tongue”) with the adjective ending -is.[2][1] De Vaan lists it among the derivatives of lingua, attested from Plautus on.[3]

Earliest recorded meaning

Plautus uses it in the Pseudolus of people kissing, literally “two-tongued”,[2][4] and in the Persa in the sense “double-tongued, treacherous”, comparing someone to a creeping beast.[2][4]

Semantic evolution

Ennius called the Bruttii bilingues because they spoke both Oscan and Greek, as Festus explains.[2][4] Horace speaks of the bilingual manner of Canusium, and Curtius uses it of people who had begun to speak two languages.[4]

The sense “deceitful, treacherous” continued in Virgil, who writes of the double-tongued Tyrians, and in Phaedrus and Silius Italicus;[4] the Vulgate speaks of a double-tongued mouth.[4] Varro used it of pipes with two keys, and Arnobius of stories with a double meaning.[4]

Timeline

  • c. 250–184 BC – Plautus uses it of two tongues and of a treacherous person.[2][5]
  • 204–169 BC – Ennius calls the Bruttii bilingual.[2][5]
  • 70–19 BC – Virgil uses it of the treacherous Tyrians.[4][5]
  • 297–310 – Arnobius uses it of stories with a double meaning.[4][5]
  • 390–406 – The Vulgate uses it of a deceitful mouth.[4][5]

Meanings

Adjective

  1. Having two tongues.[2][4]
  2. Speaking two languages, bilingual.[2][4]
  3. Double-tongued, deceitful, treacherous.[2][4][6]
  4. Of pipes: having two keys.[4]
  5. Of stories: having a double meaning, allegorical.[4]
  • English bilingual

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  4. ^ a b c d e f g h i j k l m n o Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry

“Bilinguis.” Etymologically, 24 Oct. 2026, etymologically.com/la/bilinguis. Accessed 24 Oct. 2026.

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