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oscillum

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Etymology and origin of the Latin word oscillum

oscillum1 little mouth, little face

Confidence
Established
Formation
Derivation
First attested
70–19 BC Virgil
Ultimate origin
Latin ōs#1
Etymology tree of oscillum1
inherited borrowed derived
Latin ōs
Latin ōscillum
Derivations · oscillum1
From the same root · oscillum1
Latin cōram ← ōs
Latin ōrālis ← ōs
Latin ōrārium ← ōs
Latin ōrō ← ōs
Latin oscitō ← ōs
Latin ōsculum ← ōs
Latin ōstium ← ōs

Pronunciation

  • Classical: [oːsˈkɪl.lũː][1]
  • Ecclesiastical: [oʃˈʃil.lum][1]

Forms

ōscillum n (genitive ōscillī); second declension[1]

Etymology

The word for the little face is a double diminutive formed from Latin ōs1 + -cillum.[2][1] Wiktionary also analyses it as ōsculum (“little mouth”) with a further diminutive suffix.[1]

Earliest recorded meaning

Virgil has it in the Georgics for the soft little masks that are hung from a tall pine for Bacchus.[2]

Semantic evolution

Columella uses it in its first sense, a small mouth, for the little cavity in a lupin seed from which the shoot grows: once worms have eaten it, the rest of the seed cannot sprout.[2][3] Servius explains the masks of Virgil's line in his commentary.[4]

Niermeyer records two medieval senses: a hunting trophy, originally with a magical purpose, and an ex-voto in the shape of a diseased part of the body.[5]

Timeline

  • 70–19 BC – Virgil uses it of masks hung from a pine.[2][6]
  • 1st century AD – Columella uses it of the cavity in a lupin seed.[2][6]

Meanings

Noun

  1. A small mouth; the small cavity in a seed from which the shoot grows.[2][3]
  2. A small face; a small mask (of Bacchus) hung up to swing in the wind.[2][3]
  3. (Medieval Latin) A hunting trophy.[5]
  4. (Medieval Latin) An ex-voto shaped like a diseased part of the body.[5]

oscillum2 swing

Confidence
Uncertain
First attested
150–200 Festus, quoting Santra
Ultimate origin
Latin oscillum

Pronunciation

  • Classical: [ɔsˈkɪl.lũː][1]
  • Ecclesiastical: [oʃˈʃil.lum][1]

Forms

oscillum n (genitive oscillī); second declension[1]

Etymology

The origin of the word for the swing is unknown,[2][4] unless it is from Latin oscillum1 (“little face, mask”), from the masks hung up to swing in the wind;[2] Etymonline calls this the usual identification.[7] The TLL doubts that the two are the same word.[4] Lewis and Short derive it from ob- with a verb *cillō (“to move”),[3] the traditional analysis that Wiktionary reports, noting also its likeness to vacillō (“to sway”).[1]

Among the ancient grammarians, Santra, quoted by Festus, said it was so called because people swinging lean over and are thrown headlong.[4]

Earliest recorded meaning

It is first found in the grammarian Santra, quoted by Festus, meaning a swing.[4][3]

Semantic evolution

The TLL describes it as a contrivance hung from a rope in which people were swung in a solemn rite; it is mostly used in the plural.[4] Tertullian uses it too,[3][4] and later grammarians and scholia discuss it.[4]

Timeline

  • 2nd half of the 2nd century AD – Festus quotes Santra's explanation of the swing.[4][6]
  • c. 160–220 AD – Tertullian uses it.[3][6]

Meanings

Noun

  1. A swing; something that moves to and fro or up and down.[2][3]
  2. A swing used in a religious rite.[4]

Word family

Usage notes

In Medieval Latin, oscillum was also a form of ossellum, “a small bone”, from os2.[5]

References

  1. ^ a b c d e f g h i 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. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c d e f g h i j Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  5. ^ a b c d Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  6. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  7. ^ Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Oscillum.” Etymologically, 13 Nov. 2026, etymologically.com/la/oscillum. Accessed 14 Nov. 2026.

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