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industriosus

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Etymology and origin of the Latin word industriosus

Confidence
Established
Formation
Derivation
First attested
c. 485–580 Cassiodorus More words from the 5th century
Ultimate origin
Latin industria
Etymology tree
inherited borrowed derived
Latin indu
Latin industrius
Latin industria
Latin industriōsus
English industrious
Spanish industrioso
From the same root
Latin indolēs ← indu
Latin industrie ← industrius
Latin industriālis ← industria

Forms

industriōsus (feminine industriōsa, neuter industriōsum); first/second-declension adjective[1][2]

Etymology

It is from Latin industria (“diligence, activity”) + -ōsus.[3][1][4]

Earliest recorded meaning

Its first sure instance is in Cassiodorus' Variae, which calls Campania industriosa, busy or hard-working.[3][1][5]

Semantic evolution

Lewis & Short also cite Seneca and Valerius Maximus, both marked as doubtful;[2] the TLL calls the reading in Valerius Maximus a false one, and Georges reads industrio in Seneca.[3][1]

In Medieval and Neo-Latin it meant zealous, diligent and energetic, of people and of their work: British writers praise an industrious woman and a diligent officer,[6] and Boccaccio uses it of Virgil's ingenious fiction.[7]

Timeline

  • c. 485–c. 580 AD – Cassiodorus calls Campania busy.[3][1][4]

Meanings

Adjective

  1. Very active, industrious, diligent.[2][1][8]
  2. (Medieval Latin) Zealous, assiduous, energetic.[9][6]

Usage notes

The adverb is industriōsē, “very industriously”.[2]

References

  1. ^ a b c d e f Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  2. ^ a b c d Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ a b c d Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  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
  7. ^ Ramminger, Johann, Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700, www.neulatein.de
  8. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  9. ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften

Borrowed into

Cite this entry

“Industriosus.” Etymologically, 7 Nov. 2026, etymologically.com/la/industriosus. Accessed 8 Nov. 2026.

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