Etymology and origin of the Latin word desidiosus
- Confidence
- Established
- Formation
- Derivation
- First attested
- 86/82 BC, Rhetorica ad Herennium
- Ultimate origin
- Proto-Indo-European (*sed-eh₁-)
Forms
dēsidiōsus (feminine dēsidiōsa, neuter dēsidiōsum, comparative dēsidiōsior, superlative dēsidiōsissimus); first/second-declension adjective[1]
Etymology
It is from Latin dēsidia (“idleness”) + -ōsus,[2][1][3] and dēsidia is from dēsideō (“to sit idle”), made of dē and sedeō (“to sit”).[1] De Vaan traces sedeō to Proto-Italic *sed-ē- and Proto-Indo-European *sed-eh₁- (“to be seated”);[4] cognate with Ancient Greek ἕζομαι (hézomai, “to sit down”) and Old Irish saidid (“sits”).[4] Isidore explains it as from much sitting, after a play on words in Varro.[3]
Earliest recorded meaning
The TLL finds it from the Rhetorica ad Herennium, Cicero and Varro on.[3] The Rhetorica uses it of an art that makes men idle.[5]
Semantic evolution
Of persons it is idle or lazy: Varro says the men who sat in town were thought lazier than those who worked the land,[5][6] Ovid that whoever does not wish to grow idle should love,[5] and Pliny the Younger calls himself the laziest of men beside his uncle.[5] Lucan uses it of a bee.[5] Of things it is what makes idle: Cicero has enticements to idleness and the most sluggish and idle leisure.[2][5] The comparative is found from Varro, the superlative from Cicero.[3] Lucretius has the adverb dēsidiōsē.[5]
Timeline
- 86/82 BC – The Rhetorica ad Herennium, of an art that makes men idle.[5][3][7]
- 81–43 BC – Cicero, of idle leisure.[2][7]
- 116–27 BC – Varro, of townsmen lazier than farmers.[5][7]
- 43 BC–18 AD – Ovid, of the idle man who should love.[5][7]
- c. 560–636 AD – Isidore explains it from sitting.[3][7]
Meanings
Adjective
Related words
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d e f Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ 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
- ^ a b c d e f g h i j k l Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry
“Desidiosus.” Etymologically, 20 Oct. 2026, etymologically.com/la/desidiosus. Accessed 20 Oct. 2026.
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