Etymologically

Etymology and origin of the Latin word septenus

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Latin (septem)
Etymology tree
inherited borrowed derived
Latin septem
French sept
Latin septentrio
Latin septenus

Pronunciation

  • Classical: [sɛpˈteː.nʊs][1]
  • Ecclesiastical: [sepˈtɛː.nus][1]

Forms

septēnus (feminine septēna, neuter septēnum); first/second-declension numeral[1] The genitive plural is septēnum.[2][3]

Etymology

It is from Latin septem (“seven”) + -ēnī.[2][1][4] Wiktionary takes it to come from an earlier ⟨*septemsnos⟩.[1]

Earliest recorded meaning

Köbler dates it from Plautus,[4] who has a slave boy told to start the games with seven ladlefuls each, from the top.[2][3]

Semantic evolution

It is a distributive, mostly in the plural septēnī, "seven each": Livy has seven iugera of land given to each of the plebs and two bundles of seven books each, and Cicero boys of sixteen and seventeen years.[2][3] It also means seven at a time: in Virgil the Athenians must send seven of their children every year, and Juvenal speaks of hating someone seven hours a day.[2] With little distributive force it is simply "seven", of things that form a set: Virgil has a snake drawing seven coils, Ovid a pipe of seven reeds, and Seneca and Propertius the seven mouths of the Nile.[2][3] In the singular it means sevenfold, mostly in poetry and post-Augustan prose: Lucan has the sevenfold stream of the Nile, and Statius the seven-mouthed Danube.[2][3] Gellius uses bis septēnī for fourteen.[2]

Timeline

  • c. 250–184 BC – Plautus of seven ladles each.[2][4]
  • 81–43 BC – Cicero in the genitive septēnum.[2][3]
  • 70–19 BC – Virgil of seven children sent each year.[2]
  • 59 BC–17 AD – Livy of seven iugera each.[2]
  • 39–65 AD – Lucan of the sevenfold Nile.[2][3]

Meanings

Numeral

  1. (plural) Seven each, seven apiece; seven at a time.[2][3][1]
  2. (plural, with little distributive force) Seven, of a set.[2][3][1]
  3. (singular, poetic) Sevenfold, repeated seven times.[2][3][1]

Word family

  • septēnārius

References

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

“Septenus.” Etymologically, 20 Oct. 2026, etymologically.com/la/septenus. Accessed 20 Oct. 2026.

Last edited on . ·