Etymology and origin of the Latin word viscosus
- Confidence
- Established
- Formation
- Derivation
- First attested
- 200s Cetius Faventinus More words from the 2nd century
- Ultimate origin
- Latin viscum
From the same root
Forms
viscōsus (feminine viscōsa, neuter viscōsum); first/second-declension adjective[1]
Etymology
It is formed from Latin viscum + -ōsus, from viscum (“mistletoe; birdlime”).[1][2] De Vaan takes viscum to be either an Indo-European word or a European loanword for the mistletoe or another fruit-bearing tree.[3] His tentative reconstruction is Proto-Italic *wisko-.[3]
Earliest recorded meaning
Köbler's first source is the 3rd-century architectural writer Cetius Faventinus.[4]
Semantic evolution
In Prudentius it means smeared with birdlime, in a figurative passage,[5][6] and Palladius and Theodorus Priscianus use it more generally of sticky, viscous matter, such as a fatty fluid.[5][7]
Medieval writers on medicine and natural science kept the sense of sticky or glutinous, also figuratively, and speak for example of the viscous substance of the brain.[2] Conte derives Italian vischioso and viscoso from the Late Latin word,[8] and English viscous (late 14th century) comes from it partly through Anglo-French.[9]
Timeline
- 3rd century AD – Cetius Faventinus uses it.[4]
- 348/49–c. 413 AD – Prudentius uses it figuratively, of something smeared with birdlime.[5][6][4]
- end of the 4th or beginning of the 5th century AD – Palladius uses it of sticky matter.[5][6][4]
- late 14th century – English borrows it as viscous.[9]
Meanings
Adjective
Related words
- English viscous
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c 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
- ^ 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 Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e f Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ a b Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
- ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry
“Viscosus.” Etymologically, 7 Nov. 2026, etymologically.com/la/viscosus. Accessed 8 Nov. 2026.
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