Etymologically

scepticus

Etymology and origin of the Latin word scepticus

Confidence
Established
Formation
Borrowing
First attested
c. 35–95/96 AD, Quintilian
Borrowed from
Ancient Greek σκεπτικός
Ultimate origin
Ancient Greek σκεπτικός

Pronunciation

  • Classical: [ˈskɛp.tɪ.kʊs][1]
  • Ecclesiastical: [ˈʃɛp.ti.kus][1]

Forms

scepticus m (genitive scepticī); second declension[1]

Etymology

It is borrowed from Ancient Greek σκεπτικός (skeptikós, “inquiring, reflective”), whose plural named the Sceptics, the followers of Pyrrho.[2][3] The Greek adjective comes from σκέπτομαι (sképtomai, “to look about, consider”).[2][1]

Earliest recorded meaning

Quintilian has the plural Sceptici for the Sceptics, the disciples of Pyrrho.[3]

Semantic evolution

In Classical Latin the word is the name of the philosophical school: Georges notes that the followers of Pyrrho were also called Sceptici.[4][3] In New Latin scepticus became a noun for any sceptic,[1] and English took sceptic in the 1580s from French and directly from Latin scepticus, first for a member of the ancient Greek school that doubted that real knowledge is possible.[2]

Timeline

  • c. 35–95/96 AD – Quintilian names the Sceptici, the disciples of Pyrrho.[3]
  • 1580s – English borrows sceptic from French and Latin for a member of the Sceptic school.[2]

Meanings

Noun

  1. (plural) The Sceptics, the disciples of Pyrrho.[3][4]
  2. (New Latin) A sceptic, a member of the sect of sceptics.[1]
  • English sceptic

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn

Related etymologies

Cite this entry

“Scepticus.” Etymologically, 24 Oct. 2026, etymologically.com/la/scepticus. Accessed 24 Oct. 2026.

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