- Confidence
- Uncertain
- First attested
- Plautus
Pronunciation
Forms
pilleus m (genitive pilleī); second declension[1]
Etymology
Its origin is obscure.[2] It resembles Ancient Greek πῖλος (pîlos, “felt, felt cap”), from which Saalfeld and Gaffiot derive it, and Wiktionary groups it with Russian полсть (polstʹ, “felt”) and Old High German filz (“felt”).[3][4][1] Driessen thinks it unrelated to the Greek word.[2] The OLD reconstructs *pilseios and connects pilus “hair”.[5]
Earliest recorded meaning
De Vaan dates it from Plautus, whose slave will shave his head and put on the cap of a freedman.[2][5] Köbler dates Plautus c. 250–184 BC.[6]
Semantic evolution
It was a close-fitting felt cap, shaped like half an egg.[5][7] A slave set free shaved his head and put on the pilleus, so ad pilleum vocāre meant to call to freedom, and slaves sold without warranty wore it too.[5] It was worn at the Saturnalia, as Martial says it suits Jupiter, and for medical reasons over a shaved head.[5]
The cap became a symbol of liberty, shown on the coins of Caesar's assassins.[7] Medieval writers used it of royal, ducal, priestly and academic caps.[8]
Timeline
- c. 250–184 BC – Plautus' slave hopes to put on the freedman's cap.[5][6]
- 14–37 AD – Celsus prescribes a cap for a shaved head.[5][6]
- 40–102/103 AD – Martial speaks of the cap worn at the Saturnalia.[5][6]
Meanings
Noun
- A felt cap.[5]
- The cap of a freed slave, a symbol of freedom, ad pilleum vocāre, to set free.[5]
- (Medieval Latin) A cap of office (royal, clerical, academic).[8]
Related words
- pilus
- lībertās
Usage notes
It is also spelled pīleus, and the neuter pilleum is found.[5][4]
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ Saalfeld, Günther Alexander (1874), Index Graecorum vocabulorum in linguam latinam translatorum, Berlin: Weidmann
- ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ a b c d e f g h i j k Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ 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
Cite this entry
“Pilleus.” Etymologically, 16 Oct. 2026, etymologically.com/la/pilleus. Accessed 16 Oct. 2026.
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