Etymologically

Etymology and origin of the Latin word impigre

Confidence
Established
Formation
Derivation
First attested
c. 250–184 BC, Plautus
Ultimate origin
Proto-Italic (*pig-ro-)
Etymology tree
inherited borrowed derived
Latin piger
Latin pigritia
Latin impiger
Latin impigre
Latin pigre

Forms

impigrē (not comparable)[1] It is also spelled inpigrē.[2][3]

Etymology

It is from Latin impiger (“active, energetic”) + -ē.[2][4] That adjective is the negative of piger (“sluggish”), which de Vaan traces to Proto-Italic *pig-ro- (“inactive”); the further origin of the root is unknown.[5]

Earliest recorded meaning

Plautus has it in the Rudens, of getting up energetically late at night.[3][4]

Semantic evolution

It means energetically or briskly: Sallust uses it of Marius watching both his own and the enemy's affairs, and Livy of soldiers following the consul and of help promised and given readily.[3] Lewis & Short find no comparative or superlative.[3] In British Medieval Latin it means not slothfully, assiduously.[6]

Timeline

  • c. 250–184 BC – Plautus, of getting up promptly.[3][4]
  • 86–34 BC – Sallust, of Marius.[3][4]
  • 59 BC–17 AD – Livy, of soldiers following the consul.[3][4]

Meanings

Adverb

  1. Energetically, actively, briskly, readily.[2][3][1]
  2. (Medieval Latin) Without sloth, assiduously.[6]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ 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 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

“Impigre.” Etymologically, 20 Oct. 2026, etymologically.com/la/impigre. Accessed 20 Oct. 2026.

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