Etymologically

Etymology and origin of the Latin word sigma

Confidence
Established
Formation
Borrowing
First attested
180–102 BC Lucilius More words from the 2nd century BC
Borrowed from
Ancient Greek σίγμα
Ultimate origin
Ancient Greek σίγμα
Etymology tree
inherited borrowed derived
Ancient Greek σίγμα (sígma)
Latin sigma
English sigma

Forms

sigma n (genitive sigmatis); third declension[1][2] Also spelled simma.[3][4]

Etymology

It is borrowed from Ancient Greek σίγμα (sígma, “sigma”), the name of the Greek letter.[1][5] Köbler, after Frisk, calls the further origin of the Greek name unclear.[4]

Earliest recorded meaning

Lucilius (c. 180–102 BC)[4] already uses it for the Greek letter sigma.[6]

Semantic evolution

Because the letter was written in the form of a C, a half circle, the word was used for things of that shape.[2][3][7] Martial uses it for a semicircular couch for reclining at meals, and Lampridius has the same sense.[1][2][3] Sidonius Apollinaris uses it for a semicircular bathing tub.[2][3] Du Cange records it for a table in the shape of a sigma or a crescent, in Peter Chrysologus and later writers.[8] In British Medieval Latin it was again the Greek letter, also as the numeral 200,[9] and a 15th-century music treatise uses it as the sign for a pitch between A and B.[10]

Timeline

  • c. 180–102 BC – Lucilius names the Greek letter.[6][4]
  • 40–102/103 AD – Martial uses it for a semicircular dining couch.[1][4]
  • c. 431–486 AD – Sidonius Apollinaris uses it for a semicircular bathing tub.[2][4]
  • 15th century – A music treatise uses σ as the sign of a pitch between A and B.[10]

Meanings

Noun

  1. The Greek letter sigma.[1][6]
  2. A semicircular couch for reclining at table.[1][2]
  3. A semicircular bathing tub.[2][3]
  4. (Medieval Latin) A table in the shape of a sigma or crescent.[8]
  5. (Medieval Latin) The numeral 200.[9]

References

  1. ^ a b c d e f Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  2. ^ a b c d e f g Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ a b c d e Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  4. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ Saalfeld, Günther Alexander (1874), Index Graecorum vocabulorum in linguam latinam translatorum, Berlin: Weidmann
  6. ^ a b c Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  7. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  8. ^ a b du Cange, Charles du Fresne, et al. (1883–1887), Glossarium mediae et infimae latinitatis, augmented ed. by Léopold Favre, Niort: L. Favre
  9. ^ a b Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
  10. ^ a b Lexicon musicum Latinum medii aevi (1992–), Munich: Bayerische Akademie der Wissenschaften; online ed. Wörterbuchnetz

Related etymologies

Cite this entry

“Sigma.” Etymologically, 8 Nov. 2026, etymologically.com/la/sigma. Accessed 8 Nov. 2026.

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