Etymology and origin of the Latin word strenuus
- Confidence
- Uncertain
- First attested
- c. 235–200 BC, Naevius
Forms
strēnuus (feminine strēnua, neuter strēnuum, comparative strēnuior, superlative strēnuissimus or strēnuissumus, adverb strēnuē); first/second-declension adjective[1] The old form strēnuos is found in Plautus.[2]
Etymology
The origin is uncertain.[1] The OLD compares Greek στρηνής (strēnḗs, “strong, harsh”), στρηνύζω (strēnúzō, “to be wanton”) and English stern;[2] Etymonline also takes it as probably cognate with the Greek word.[3] Wiktionary suggests Proto-Indo-European *(s)treg- (“to be stiff, strong”), perhaps an extension of Proto-Indo-European *ster- (“stiff”),[1] and Lewis and Short compared στερεός (stereós, “firm, hard”).[4]
Earliest recorded meaning
Naevius' Bellum Punicum has “many other active men from Troy”;[2] Köbler too gives Naevius.[5]
Semantic evolution
Of people it is active, vigorous, energetic, brisk or prompt, as in Naevius, and often joined with fortis or bonus, as Cicero's “Quintus Fufius, a brave and active man”.[2][4][1] Of acts and bearing it is vigorous, as Plautus' “to do a bold deed”.[2] In a bad sense it is restless or turbulent, as Tacitus' men in both armies who were wicked and restless.[2] Of poisons and remedies it is quick to act, as Curtius' quick remedy.[2]
Church Latin glosses it “steadfast, vigorous, brisk, active, strenuous, prompt, resolute”.[6] English strenuous (mid-15th century) is from it.[3]
Timeline
- c. 235–200 BC – Naevius of active men from Troy.[2][5]
- c. 250–184 BC – Plautus of a bold deed.[2][5]
- 81–43 BC – Cicero of a brave and active man.[2][5]
- 98–115 AD – Tacitus of restless soldiers.[2][5]
- mid-15th century – English strenuous is from it.[3]
Meanings
Adjective
- Active, vigorous, energetic, brisk, prompt.[2][4][1][6]
- (pejorative) Restless, turbulent.[2]
- (of remedies, poisons) Quick to take effect.[2]
Word family
- īnstrēnuus
- strēnuē
- strēnuitās
Related words
- fortis
- English strenuous
References
- ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
Cite this entry
“Strenuus.” Etymologically, 19 Oct. 2026, etymologically.com/la/strenuus. Accessed 19 Oct. 2026.
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