Etymologically

Etymology and origin of the Romanian word prostie

Confidence
Established
Formation
Derivation
First attested
1563 Coresi's Praxiu More words from the 16th century
Ultimate origin
Proto-Slavic *prostъ
Etymology tree
inherited borrowed derived
Romanian prost
Romanian prostie

Pronunciation

  • /prosˈti.e/[1]

Forms

prostie f (plural prostii)[1]

Etymology

It is formed from Romanian prost + -ie.[2][3][4][5][6][1] The adjective prost is from Old Church Slavonic простъ (prostŭ, “simple”), from Proto-Slavic *prostъ.[2][1] Its first senses, “simple, plain, common”, are old, and the sense “stupid” came later; the noun shows the same shift.[2][7]

Earliest recorded meaning

Tiktin's first record is from Coresi's Praxiu (the Acts and Epistles) of 1563.[3] In Coresi's Evanghelie cu învățătură (1581) it means “purity, innocence”: Christ sends the blind man to the pool of Siloam to show „prostiia și buna mintea orbului” “the innocence and good sense of the blind man”.[5][4]

Semantic evolution

In the old language the noun meant purity and sincerity of heart, simplicity and modesty: a Coresi text tells servants to obey their masters „în prostiia inimei voastre” “in the simplicity of your heart”.[5][4] Ignorance followed: Nicolae Costin blames a defeat on a commander's prostie, and Antim speaks of his own ignorance with the word.[5][4] These senses are now obsolete.[4] Tiktin also glosses it with German Schlichtheit, Einfalt.[3]

The modern sense “stupidity” is found in proverbs such as Prostia din născare leac nu are “inborn stupidity has no cure”, recorded by Negruzzi.[3][5] From it come the countable senses: a stupid act or word, and a trifle or nonsense, often in the plural prostii.[6][4][8] Early 19th-century dictionaries still gave both sides: the Lexicon de la Buda glosses it with Latin ruditas, rusticitas, simplicitas.[9]

Timeline

  • 1563 – the first record, in Coresi's Praxiu.[3]
  • 1581 – prostiia “purity, innocence” in Coresi's Evanghelie cu învățătură.[4][5]
  • 1643 – Varlaam uses it of simple Christian piety.[5]
  • 1649 – it glosses Slavonic words for simplicity and coarseness in Mardarie's lexicon.[10]
  • 1825 – ruditas, rusticitas, simplicitas in the Lexicon de la Buda.[9]

Meanings

Noun

  1. stupidity: the state of someone who lacks intelligence or knowledge;[6][4][1] în prostie “without measure”.[6][4][1]
  2. A stupid act or remark; a blunder or prank.[6][4][1]
  3. (often plural) A trifle, nonsense: talk or things without seriousness or importance.[6][11]
  4. (obsolete) Purity, sincerity, simplicity, modesty; ignorance.[4][5]
  • prost
  • prostesc
  • prosti
  • prostime

Usage notes

A-i scoate cuiva prostiile din cap means to talk someone out of foolish plans.[11] Ce prostie! is a common exclamation.[8]

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c Ciorănescu, Alexandru (1958–1966), Diccionario etimológico rumano, La Laguna: Universidad de La Laguna (Romanian ed.: Dicționarul etimologic al limbii române, București: Saeculum, 2001), p. s.v. prost
  3. ^ a b c d e Tiktin, Hariton (2000–2005), Rumänisch-deutsches Wörterbuch, 3rd ed., revised by Paul Miron and Elsa Lüder, 3 vols., Cluj-Napoca: Clusium, p. s.v. prostíe
  4. ^ a b c d e f g h i j k Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2010), Micul dicționar academic, 2nd ed., 4 vols., București: Univers Enciclopedic Gold, p. 2, 574
  5. ^ a b c d e f g h Academia Română (1965–2010), Dicționarul limbii române (DLR), serie nouă, tom I–XIX, București: Editura Academiei Române, p. s.v. prostie
  6. ^ a b c d e f DEX (2009), Dicționarul explicativ al limbii române [Explanatory dictionary of the Romanian language], Bucharest: Editura Univers Enciclopedic, p. 887
  7. ^ Cihac, A. de (1879), Dictionnaire d'étymologie daco-romane II: Éléments slaves, magyars, turcs, grecs-moderne et albanais, Frankfurt am Main, p. 295
  8. ^ a b Macrea, Dimitrie; Petrovici, Emil (coord.) (1955–1957), Dicționarul limbii romîne literare contemporane, 4 vols., București: Editura Academiei Republicii Populare Romîne, p. 3, 605
  9. ^ a b Lesicon românescu-latinescu-ungurescu-nemțescu quare de mai mulți autori, în cursul a trideci și mai multor ani s-au lucrat (1825), Buda: Typographia Universității (the Lexicon of Buda, ed. Petru Maior et al.), p. 555
  10. ^ Ungureanu, Mădălina; Gînsac, Ana-Maria; Moruz, Alexandru (eds.), eRomLex: The First Romanian Bilingual Dictionaries (17th century), Iași: Universitatea „Alexandru Ioan Cuza”, https://scriptadacoromanica.ro, p. s.v. prostie
  11. ^ a b Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2002), Noul dicționar explicativ al limbii române, București: Litera Internațional, p. s.v. prostie

Related etymologies

  • prea · also from Old Church Slavonic
  • înșela · also from Old Church Slavonic
  • pară · also from Old Church Slavonic
  • somn · also from Old Church Slavonic
  • veste · also from Old Church Slavonic
  • coș · also from Old Church Slavonic
  • lin · also from Old Church Slavonic
  • râs · also from Old Church Slavonic
Cite this entry

“Prostie.” Etymologically, 11 Nov. 2026, etymologically.com/ro/prostie. Accessed 12 Nov. 2026.

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