- Confidence
- Established
- Formation
- Borrowing
- First attested
- 1378
- Inherited from
- Middle English sanguin
Etymology
It is inherited from Middle English sanguin, sangueyn,[1][2][3] borrowed from Old French sanguin (feminine sanguine),[4][1][5][2] from Latin sanguineus (“of blood, bloody, bloodthirsty”),[4][1][5][2] from sanguis (“blood”) (genitive sanguinis),[4][1][5][2] which is of uncertain origin.[3]
Earliest recorded meaning
Blood-red (1378 in Barnhart; 1382 in the OED; late 14th century in Etymonline); it appears as a surname, Sanguin, in 1194.[1][6][5]
Semantic evolution
In medieval physiology a person in whom blood predominated over the other three humours was sanguine (c. 1386),[6][1][7] with a ruddy face and a disposition marked by courage, hope and amorousness.[4][8][7] Chaucer says of his Franklin, “Of his complexioun he was sangwyn”.[9] From this the sense “cheerful, hopeful, confident” arose (1509 in Barnhart; about 1500 in Etymonline).[1][5] The sense “of or containing blood” dates from 1447,[6][5] and “bloodthirsty, sanguinary” from 1705, now only poetic.[6][10] As a noun it names a blood-red colour, a red tincture in heraldry and a red chalk crayon used for drawing.[2][11][10]
Timeline
- 1194 – the surname Sanguin.[1]
- 1378 – blood-red.[1][6]
- c. 1386 – having blood as the dominant humour.[6]
- 1447 – of or containing blood.[6]
- 1509 – cheerful, confident.[1]
- 1705 – bloodthirsty.[6]
Modern meaning
Adjective
- Cheerfully confident; optimistic.
- Of a healthy, reddish colour; ruddy.
- Of the colour of blood; red.
- (history) Having blood as the dominant humour, in medieval physiology, and the ruddy complexion and passionate, cheerful temperament thought to go with it.
- (obsolete) Bloodthirsty; sanguinary.
Noun
- A blood-red colour.
- A red chalk or crayon containing iron oxide, used in drawing.
Word family
- sanguinely
- sanguineness
- sanguinity
- nonsanguine
- oversanguine
- unsanguine
Related words
- consanguine
- exsanguine
- sanguinary
- sangaree
- sangria
- exsanguinate
- consanguinity
- ensanguine
- humour
Usage notes
Sanguine should not be confused with sanguinary, “bloodthirsty”.[12][4] The two words share their source in Latin sanguis, “blood”; the cheerful sense of sanguine comes from the medieval theory of the humours.[4][8]
References
- ^ a b c d e f g h i j Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
- ^ a b c d e Merriam-Webster's Collegiate Dictionary (2003), 11th ed., Springfield, Mass.: Merriam-Webster
- ^ a b Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
- ^ a b c d e f The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
- ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c d e f g h Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
- ^ a b Cresswell, Julia (2021), Oxford Dictionary of Word Origins, 3rd ed., Oxford: Oxford University Press
- ^ a b From Abracadabra to Zeus: Word Histories and Mysteries (2004), Boston: Houghton Mifflin (American Heritage Dictionaries)
- ^ Weekley, Ernest (1921), An Etymological Dictionary of Modern English, London: John Murray
- ^ a b Collins English Dictionary (2023), Glasgow: HarperCollins
- ^ Random House Webster's Unabridged Dictionary (1999), 2nd ed., New York: Random House
- ^ Wiktionary, the free dictionary, https://en.wiktionary.org
Related etymologies
- remorse · also from French
- tutor · also from French
- baroque · also from French
- urchin · also from French
- complexion · also from French
- counterfeit · also from French
- heresy · also from French
- stereotype · also from French
Cite this entry
“Sanguine.” Etymologically, 12 Oct. 2026, etymologically.com/en/sanguine. Accessed 12 Oct. 2026.
Last edited on . ·