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sociennus

Etymology and origin of the Latin word sociennus

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Confidence
Probable
Formation
Derivation
First attested
Plautus
Ultimate origin
Proto-Indo-European (*sekʷ-)

Pronunciation

  • IPA (Classical): [sɔ.kiˈɛn.nʊs][1]
  • IPA (Ecclesiastical): [so.t͡ʃiˈɛn.nus][1]

Forms

sociennus m (genitive sociennī); second declension[1]

Etymology

It is from socius “companion”, with a unique suffix usually explained as Etruscan, as in ⟨Porsenna⟩.[2][3][1] De Vaan traces ⟨socius⟩ to Proto-Italic *sokjo-, from Proto-Indo-European *sokʷ-(h₂)-i-o- (“companion”).[3]

Earliest recorded meaning

It occurs only in Plautus' Aulularia, tuos sociennus.[4][3][5] Köbler dates Plautus c. 250–184 BC.[5]

Semantic evolution

It meant a partner, associate, comrade.[2][4]

Timeline

  • c. 250–184 BC – Plautus uses it.[4][5]

Meanings

Noun

  1. A partner, associate, comrade.[2][4]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c 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 Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Sociennus.” Etymologically, 17 Oct. 2026, etymologically.com/la/sociennus. Accessed 17 Oct. 2026.

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