Etymologically
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carduus

Etymology and origin of the Latin word carduus

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Confidence
Uncertain
Formation
Inherited
First attested
Virgil

Pronunciation

  • IPA (Classical): [ˈkar.du.ʊs][1]
  • IPA (Ecclesiastical): [ˈkar.du.us][1]

Forms

carduus m (genitive carduī); second declension[1]

Etymology

It is possibly from Proto-Indo-European *kers- (“to scratch, card”), cognate with Middle Low German harsch (“hairy”).[1][2] The OLD compares cārō “to card wool”.[3]

Earliest recorded meaning

The OLD's first citation is Virgil, who names the thistle among the weeds of the fields.[3][4] Köbler dates Virgil 70–19 BC.[2]

Semantic evolution

It meant a thistle, as in Virgil and Columella, a prickly seed vessel or bur, and the cardoon, as in Pliny the Elder.[3][4][5] A fourth-declension form cardus occurs in Diocletian's price edict.[4][5]

In Ecclesiastical Latin it meant a thistle.[6] In Medieval Latin it meant a thistle or similar plant, and carduus benedictus was a herb.[7] It survives in French chardon and Italian cardo.[1] Through French it is the source of English cardoon in the 1610s and English chard in the 1650s.[8]

Timeline

  • 70–19 BC – Virgil uses it of a thistle.[3][2]
  • 1st century AD – Columella uses it.[4][2]
  • 23/24–79 AD – Pliny the Elder uses it of the cardoon.[3][2]
  • 1610s – English cardoon is recorded.[8]

Meanings

Noun

  1. A thistle.[3]
  2. A bur.[3]
  3. The cardoon.[3]

Word family

  • carduētum
  • carduēlis
  • cārō
  • English cardoon
  • English chard

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  3. ^ a b c d e f g h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  4. ^ a b c d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  6. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  7. ^ 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
  8. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Carduus.” Etymologically, 16 Oct. 2026, etymologically.com/la/carduus. Accessed 16 Oct. 2026.

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