Etymologically

Etymology and origin of the Latin word hebesco

Confidence
Established
Formation
Derivation
First attested
1st century BC, Cicero and Lucretius
Ultimate origin
Latin hebeō

Forms

hebēscō (present infinitive hebēscere); third conjugation, no passive, no perfect or supine stems[1] The TLL records perfect forms in ⟨-uī⟩.[2]

Etymology

It is from Latin hebeō (“to be blunt, dull”) + -scō,[3][1] an inchoative verb.[4] De Vaan derives both that verb and the adjective hebes (“blunt”) from a stem ⟨heb-⟩, since neither can be derived from the other, and gives no further etymology.[5]

Earliest recorded meaning

Cicero, in the first speech against Catiline, complains that the senate lets the edge of its authority grow blunt,[3][6] and Lucretius uses it of a blow weakened by the air.[3][5]

Semantic evolution

Sallust uses it of virtue growing dull, Cicero of people growing sluggish in leisure, and Silius Italicus of light growing faint.[3] Pliny the Elder has it of the senses and of beryls losing their lustre, Suetonius of eyes growing dim, and Ammianus of sword edges blunted by repeated blows.[4]

Timeline

  • 81–43 BC – Cicero uses it of authority growing blunt.[3][6]
  • 96–55 BC – Lucretius uses it of a blow weakened by the air.[3][6]
  • 86–34 BC – Sallust uses it of virtue growing dull.[3][6]
  • 23/24–79 AD – Pliny the Elder uses it of the senses and of gems.[4][6]
  • 25–101 AD – Silius Italicus uses it of light growing faint.[3][6]
  • c. 390 AD – Ammianus uses it of blunted sword edges.[4][6]

Meanings

Verb

  1. To grow blunt, also figuratively.[3][4]
  2. (of light) To grow faint or dim.[3][4]
  3. To become feeble or sluggish;[3][4] (of the senses and the mind) to grow dull.[3][4]
  • hebetātiō
  • hebetātrīx
  • hebetescō
  • hebes

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  3. ^ 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
  4. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  5. ^ 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
  6. ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Hebesco.” Etymologically, 20 Oct. 2026, etymologically.com/la/hebesco. Accessed 23 Oct. 2026.

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