Etymologically

periculose

Etymology and origin of the Latin word periculose

Confidence
Established
Formation
Derivation
First attested
116–27 BC, Varro
Ultimate origin
Latin (perīculum)
Etymology tree
inherited borrowed derived
Latin periculum
Latin periculose

Forms

perīculōsē (comparative perīculōsius, superlative perīculōsissimē)[1]

Etymology

It is from Latin perīculōsus (“dangerous”) + -ē,[2][1] the adverb of an adjective made from perīculum (“trial, danger”).[3][4] De Vaan places that noun in the family of pariō (“to give birth to, bear”) and experior (“to put to the test”), reconstructing it as Proto-Italic *per-ei-tlo- (“experience”), whose meaning shifted from “experience” to “trial, danger”; he takes it for an older formation than the compound verbs in ⟨-perīrī⟩.[4]

Earliest recorded meaning

The earliest quotation in the OLD is from Varro, reported by Servius: sciunt perīculōsē sē nāvigāre, “they know that they sail at their peril”.[2] Köbler's earliest source is Cicero.[5]

Semantic evolution

Cicero writes of a man dangerously ill, of saying something at his own risk, and that he will try a course even if it is dangerous.[2][6][7] Sallust uses the comparative,[2][7] and Seneca has the superlative of what people do most dangerously and most gladly.[2][8] It is also used of medicines that are risky to give and of a figure of speech that is risky to use.[2] From Fronto and the jurists it can mean at the risk of error.[2] Medieval writers in Britain use it of what is done in a way that brings danger, often in moral and religious writing: Alcuin warns that in nothing does one go wrong more dangerously than in baptism.[9]

Timeline

  • 116–27 BC – Varro, quoted by Servius, of sailing at one's peril.[2][5]
  • 81–43 BC – Cicero uses it of danger and risk.[2][5]
  • 100–170 AD – Fronto uses it of writing at the risk of error.[2][5]
  • 799 – Alcuin uses the comparative in a letter about baptism.[9]
  • 1178 – Peter of Blois writes of people who think their crime hidden but are dangerously deceived.[9]

Meanings

Adverb

  1. Dangerously, at one's peril; in a way that endangers others; in dangerous circumstances.[2][8][10]
  2. At the risk of error.[2]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ 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
  3. ^ Bianchi, Rossella; Lelli, Olga (2014), VOLI: Vocabolario di latino, Florence: Le Monnier
  4. ^ a b de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  5. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ a b Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  8. ^ a b Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  9. ^ a b c 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
  10. ^ Lewis, Charlton T. (1890), An Elementary Latin Dictionary, New York: American Book Company
Cite this entry

“Periculose.” Etymologically, 20 Oct. 2026, etymologically.com/la/periculose. Accessed 20 Oct. 2026.

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