Etymologically

expallesco

Etymology and origin of the Latin word expallesco

Confidence
Established
Formation
Compound
First attested
c. 250–184 BC, Plautus
Ultimate origin
Latin (palleō)
Etymology tree
inherited borrowed derived
Latin palleo
Latin pallesco
Latin expallesco
Latin pallens

Pronunciation

  • Classical: [ɛk.spalˈleːs.koː][1]
  • Ecclesiastical: [ek.spalˈlɛs.ko][1]

Forms

expallēscō (present infinitive expallēscere, perfect active expalluī); third conjugation, no supine stem[1]

Etymology

It is from Latin ex- + pallēscō (“to grow pale”).[2][1] The TLL derives it from ex and palleō (“to be pale”).[3]

pallēscō is formed from that verb, which goes back to Proto-Italic *palwo- (“pale, grey”);[4] de Vaan finds the Germanic and Balto-Slavic cognates hard to reconcile with the Latin ⟨a⟩ and also considers a loanword into the European languages.[4]

Earliest recorded meaning

It is first found in Plautus: viden ut expalluit!, “see how he has turned pale!”[5][6]

Semantic evolution

The Rhetorica ad Herennium lists blushing, turning pale and stammering as signs of a guilty conscience.[5] Ovid, Lucan and Pliny the Younger also use it;[5] Lewis and Short think it perhaps occurs only in the perfect.[5]

In poetry it is also transitive, “to turn pale at, dread”: Horace has one who did not blanch at drinking from the Pindaric spring, and Silius Italicus uses it the same way.[5][2]

Timeline

  • c. 250–184 BC – Plautus uses it of a person turning pale.[5][6]
  • 86/82 BC – The Rhetorica ad Herennium counts turning pale among signs of guilt.[5][6]
  • 65–8 BC – Horace uses it transitively, “to dread”.[5][6]
  • 43 BC–18 AD – Ovid uses it in the Metamorphoses.[5][6]

Meanings

Verb

  1. To turn pale, grow very pale.[2][5]
  2. (transitive, poetic) To turn pale with fear of, to dread.[2][5]

Usage notes

Charisius lists it among verbs of the third conjugation.[3]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  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 e f g h i j k Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Expallesco.” Etymologically, 20 Oct. 2026, etymologically.com/la/expallesco. Accessed 20 Oct. 2026.

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