Etymologically

dulcis

Etymology and origin of the Latin word dulcis

Confidence
Probable
Formation
Inherited
First attested
Plautus
Inherited from
Proto-Italic *dulkʷi-
Ultimate origin
Proto-Italic (*dulkʷi-)

Pronunciation

  • IPA (Classical): [ˈdʊɫ.kɪs][1]
  • IPA (Ecclesiastical): [ˈdul̠ʲ.t͡ʃis][1]

Forms

dulcis (neuter dulce, comparative dulcior, superlative dulcissimus, adverb dulce or dulciter); third-declension two-termination adjective[1]

Etymology

It is inherited from Proto-Italic *dulkʷi- (“sweet”).[2] It is most likely related to Ancient Greek γλυκύς (glukús, “sweet”) and Ancient Greek γλεῦκος (gleûkos, “sweet wine”), both traditionally traced to Proto-Indo-European *dl̥kús (“sweet”), although the loss of the second /u/ in Latin is unexpected.[2][1][3]

Earliest recorded meaning

De Vaan dates it from Plautus, and Köbler from Ennius.[2][4] Cato says that cabbage is at once sweet, bitter and sharp.[3] Köbler dates Plautus c. 250–184 BC.[4]

Semantic evolution

It meant sweet in taste, and of water fresh as opposed to salt.[3] It also meant sweet-smelling, sweet-sounding, pleasant or delightful, dear or cherished, as in Cicero's “the very sweet name of peace”, and of people charming.[3] Horace's dulce et decōrum est prō patriā morī is a famous use.[5]

Döderlein says that suāvis is a pleasant smell and a calm pleasure, while dulcis is a pleasant taste and a lively pleasure.[6] In British medieval Latin the neuter plural meant sweets.[7] Old French doucet, from its descendant doux, gave English dulcet, and Old French doulcemele gave English dulcimer.[8] It survives in Italian dolce and Spanish dulce.[1]

Timeline

  • c. 250–184 BC – Plautus uses it.[2][5][4]
  • 234–149 BC – Cato says cabbage is sweet, bitter and sharp.[3][4]
  • 81–43 BC – Cicero speaks of the sweet name of peace.[3][4]
  • late 14th century – English dulcet is recorded.[8]

Meanings

Adjective

  1. sweet (in taste).[3]
  2. (of water) Fresh, not salt.[3]
  3. Sweet-smelling; melodious.[3]
  4. Pleasant, delightful.[3]
  5. Dear, cherished, (of persons) charming.[3]

Word family

  • dulcacidus
  • dulcēdō
  • dulciārius
  • dulciculus
  • dulcifer
  • dulcificō
  • dulciloquus
  • dulcimodus
  • dulcinervis
  • dulciolum
  • dulciōrelocus
  • dulcisonōrus
  • dulcātor
  • dulcōrō
  • English dulcet
  • English dulcimer

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  3. ^ 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
  4. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  6. ^ Döderlein, Ludwig (1874), Döderlein’s Hand-book of Latin Synonymes, tr. H. H. Arnold, Andover: W. F. Draper
  7. ^ 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
  8. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com

Related etymologies

  • opus · also from Proto-Italic
  • finis · also from Proto-Italic
  • albus · also from Proto-Italic
  • potis · also from Proto-Italic
  • salvus · also from Proto-Italic
  • terminus · also from Proto-Italic
  • socius · also from Proto-Italic
  • signum · also from Proto-Italic
Cite this entry

“Dulcis.” Etymologically, 16 Oct. 2026, etymologically.com/la/dulcis. Accessed 16 Oct. 2026.

Last edited on . ·