Etymology and origin of the Latin word infructuosus
- Confidence
- Established
- Formation
- Derivation
- First attested
- 1st century AD, Columella
- Ultimate origin
- Latin fruor
Forms
īnfrūctuōsus (feminine īnfrūctuōsa, neuter īnfrūctuōsum); first/second-declension adjective[1]
Etymology
It is from Latin in- (“not”) + frūctuōsus (“fruitful”).[2][1] The adjective is built on frūctus (“fruit, produce”), from fruor (“to enjoy”), which de Vaan traces to Proto-Italic *frūg-je/o- and Proto-Indo-European *bhruHg-ie/o- (“to use”).[3]
Earliest recorded meaning
It is first found in Columella,[4] who speaks of a vineyard of a bad kind that bears no fruit.[2] L&S call it post-Augustan.[5]
Semantic evolution
Used first of plants and land that yield nothing (Pliny the Elder of trees made barren by a bad site, the jurist Scaevola of an inherited estate a wife sold as unprofitable),[2] it was soon applied to anything that brings no return: Tacitus writes of empty and fruitless praise and of long, unrewarding military service, and Pliny the Younger of fruitless prayers.[2][5] The OLD notes a passage of the elder Seneca where it seems to mean “having evil results”.[2]
Christian writers used it of barren trees and wood in the Vulgate, of works that bear no fruit, and of people who do no good;[6] Jerome and Augustine formed the adverb īnfrūctuōsē.[5] Medieval writers used it for unfruitful, unprofitable and vain.[7]
Timeline
- 1st century AD – Columella uses it of a vineyard that bears no fruit.[2][4]
- 23/24–79 AD – Pliny the Elder uses it of barren trees.[2][4]
- 98–115 AD – Tacitus uses it of fruitless praise and unrewarding service.[2][4]
- 390–406 AD – The Vulgate uses it of barren trees and of unfruitful people.[6][4]
Meanings
Adjective
- (of plants, land) unfruitful, barren.[2][5]
- Fruitless, unprofitable, useless.[2][5][6]
- Having evil results.[2]
- (Ecclesiastical Latin) (of people) Bearing no fruit, doing no good.[6]
Word family
- infructuositas
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c d Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
Cite this entry
“Infructuosus.” Etymologically, 20 Oct. 2026, etymologically.com/la/infructuosus. Accessed 23 Oct. 2026.
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