Etymologically

pateo

Etymology and origin of the Latin word pateo

Confidence
Established
Formation
Derivation
First attested
Plautus
Inherited from
Proto-Italic *patē-
Ultimate origin
Proto-Indo-European (*peth₂-)

Pronunciation

  • IPA (Classical): [ˈpa.te.oː][1]
  • IPA (Ecclesiastical): [ˈpaː.te.o][1]

Forms

pateō (present infinitive patēre, perfect active patuī); second conjugation, no passive, no supine stem[1]

Etymology

It is inherited from Proto-Italic *patē-, a stative verb formed within Italic on a base *pat-, the same as in pandō “to spread out”, from the root Proto-Indo-European *peth₂- (“to spread”).[2][1] Cognate with Ancient Greek πετάννυμι (petánnumi, “to spread out”) and Old English fæþm (English fathom), and probably with Oscan pat- (“is open”).[3][2][4]

Earliest recorded meaning

De Vaan dates it from Plautus,[2] who wonders why a man stands outside when the doors are open to him.[3] Köbler dates Plautus c. 250–184 BC.[5]

Semantic evolution

It meant to be open, of doors, gates, buildings and roads, to be exposed to danger, and of opportunities to be open or available to someone.[3] It also meant to be visible or evident, and to extend or stretch out, as of a cave in Ennius or a country in Caesar.[3][6] Cicero says that the nostrils are always open.[6]

Its derivatives include patefaciō “to open up”, patulus “spreading” and patera “a shallow dish”.[2][1] The participle patēns gave English patent, first in letters patent, open letters granting a right.[7]

Timeline

  • c. 250–184 BC – Plautus speaks of doors open to someone.[3][5]
  • 204–169 BC – Ennius speaks of a cave stretching far under a mountain.[3][5]
  • 81–43 BC – Cicero says the nostrils are always open.[6][5]
  • late 14th century – English patent is recorded.[7]

Meanings

Verb

  1. To be open.[3]
  2. To be passable, open (of roads).[3]
  3. To be exposed (to).[3]
  4. To be available, accessible (to).[3]
  5. To be visible; to be evident.[3]
  6. To extend, stretch out.[3]

Word family

  • bipatens
  • interpateo
  • patefaciō
  • patefio
  • patēscō
  • pator
  • patulus
  • semipatens
  • subpateō
  • patera
  • patibulum

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 l Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  4. ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  5. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com

Related etymologies

  • hospes · also from Proto-Italic
  • verbum · also from Proto-Italic
  • reus · also from Proto-Italic
  • ignis · also from Proto-Italic
  • mors · also from Proto-Italic
  • sal · also from Proto-Italic
  • rex · also from Proto-Italic
  • nomen · also from Proto-Italic
Cite this entry

“Pateo.” Etymologically, 16 Oct. 2026, etymologically.com/la/pateo. Accessed 16 Oct. 2026.

Last edited on . ·