Etymologically

tumeo

Etymology and origin of the Latin word tumeo

Confidence
Established
Formation
Inherited
First attested
Plautus
Inherited from
Proto-Italic *tum-ē-
Ultimate origin
Proto-Indo-European (*tum-eh₁-)

Pronunciation

  • IPA (Classical): [ˈtʊ.me.oː][1]
  • IPA (Ecclesiastical): [ˈtuː.me.o][1]

Forms

tumeō (present infinitive tumēre); second conjugation, no passive, no perfect or supine stems[1]

Etymology

It is inherited from Proto-Italic *tum-ē-, inherited from Proto-Indo-European *tum-eh₁- (“to be swelling”), a stative verb from *tum- (“to swell”).[2][1] tumulus “mound” and tumor “swelling” come from it, and probably tumultus “uproar” too, though its formation is unclear.[2][3]

Cognate with Welsh tyfu (“to grow”), Sanskrit तुम्र (túmra, “strong, thick”), Lithuanian tumėti (“to become thick”) and Old Norse þumalfingr (“thumb”).[2][1]

Earliest recorded meaning

It is found from Plautus onwards,[2][4] who asks “what is this swelling on your neck?”.[3]

Semantic evolution

Its first sense was to swell or be swollen, of the body, as Ovid's body swollen with poison, and of the sea or a river running high, as in Virgil.[3][5] Figuratively it meant to be inflamed with anger or unrest, as in Cicero, and to be puffed up with pride, as Horace's “you swell with love of praise”.[3]

Of speakers and writers it meant to be bombastic.[3] English tumor (early 15th century) and tumult (late 14th century) come from its derivatives.[6]

Timeline

  • c. 250–184 BC – Plautus uses it of a swelling on the neck.[3][4]
  • 81–43 BC – Cicero uses it of a mind inflamed by anger.[3][5][4]
  • 70–19 BC – Virgil uses it of swelling waves.[3][4]
  • early 15th century – English tumor comes from its derivative tumor.[6]

Meanings

Verb

  1. To swell, be swollen.[3][1]
  2. (of water) To swell, run high.[3]
  3. (figurative) To be inflamed with passion or unrest.[3][1]
  4. To be puffed up with pride.[3][1]
  5. (of style) To be bombastic, turgid.[3][1]

Word family

  • extumeō
  • tōmentum
  • tumefaciō
  • tumentia
  • tumidus
  • tumēscō
  • tumor
  • tumultus
  • tumulus
  • tumidē
  • tumiditās
  • tumidō
  • tumidōsus
  • tumidulus
  • tumōrōsus
  • tumulāmen
  • tumulō
  • tumulōsus
  • English tumor
  • English tumult

Usage notes

Döderlein distinguishes turgere, swelling with real fullness, from tumere, swelling that hides emptiness.[7]

References

  1. ^ a b c d e f g h i 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 l m Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  4. ^ a b c d 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. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  7. ^ Döderlein, Ludwig (1874), Döderlein’s Hand-book of Latin Synonymes, tr. H. H. Arnold, Andover: W. F. Draper

Related etymologies

  • opus · also from Proto-Indo-European
  • albus · also from Proto-Indo-European
  • potis · also from Proto-Indo-European
  • salvus · also from Proto-Indo-European
  • socius · also from Proto-Indo-European
  • signum · also from Proto-Indo-European
  • frater · also from Proto-Indo-European
  • foedus · also from Proto-Indo-European
Cite this entry

“Tumeo.” Etymologically, 15 Oct. 2026, etymologically.com/la/tumeo. Accessed 15 Oct. 2026.

Last edited on . ·