Etymologically
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clam

Etymology and origin of the Latin word clam

History

Pronunciation

  • IPA (Classical): [ˈkɫãː][1]
  • IPA (Ecclesiastical): [ˈklam][1]

Forms

clam (not comparable)[1]

Etymology

It goes back to Proto-Italic *klām, probably an accusative of Proto-Indo-European *ḱl-eh₂- (“concealment”), from the root of cēlāre “to hide”.[2][1][3] The ending is as in palam and cōram.[2][3] De Vaan doubts a connection with Ancient Greek καλύπτω (kalúptō, “to cover”), since the Greek stem varies in its final consonant.[2] Festus records an old form calim, which de Vaan takes to be corrupt.[2][4]

Earliest recorded meaning

It is found from Plautus onwards,[2][5] who uses it as an adverb, clam furtim “secretly, by stealth”.[3]

Semantic evolution

As an adverb it meant secretly, and with esse it meant to be kept hidden.[3][6] As a preposition it meant “without the knowledge of”, usually with the accusative in early Latin, as in clam uxorem “unknown to his wife”, and also with the ablative.[3][6] The legal formula nec vi nec clam nec precario “neither by force nor secretly nor on sufferance” defined lawful possession.[3][6]

In classical prose it is used only as an adverb, except once in Caesar.[6] Its derivatives clanculum “secretly” and clandestinus “done in secret” are formed from it.[2]

Timeline

  • c. 250–184 BC – Plautus uses it both as adverb and as preposition.[3][5]
  • 190–159 BC – Terence has haud clam me est “I am well aware”.[3][5]
  • 81–43 BC – Cicero uses the legal formula vi, clam, precario.[6][5]
  • c. 50 BC – Caesar uses it as a preposition with the ablative.[3][5]

Meanings

Adverb

  1. Secretly, privately, by stealth.[3][6]
  2. With esse, to be kept secret.[3]

Preposition

  1. (with accusative or ablative) Without the knowledge of, unknown to.[3][7]

Word family

  • clanculārius
  • clandestīnō
  • cella
  • color
  • occulō
  • cēlō
  • English clandestine

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  3. ^ a b c d e f g h i j k l Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  4. ^ Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  5. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  7. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry

“Clam.” Etymologically, 10 Oct. 2026, etymologically.com/la/clam. Accessed 10 Oct. 2026.

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