Etymologically

Etymology and origin of the Romanian word principiu

Confidence
Established
Formation
Borrowing
First attested
1684 More words from the 17th century
Borrowed from
Latin principium
Ultimate origin
Latin princeps
Etymology tree
inherited borrowed derived
Latin prīmus
Italian primo
Spanish primo
Romanian prim
Latin prīnceps
French prince
Romanian prinț
Italian principe
Spanish príncipe
Latin prīncipium
French principe
Romanian principiu
From the same root
Latin imprīmīs ← prīmus
Latin prīmaevus ← prīmus
Latin prīmālis ← prīmus
Latin prīmārius ← prīmus
Latin prīmās ← prīmus
Latin prīmipīlus ← prīmus
Latin prīmitiae ← prīmus
Latin prīmitus ← prīmus
Latin prīmō ← prīmus
Latin prīmōrdium ← prīmus
Latin primoris ← prīmus
Latin prīmum ← prīmus
Latin prīncipālis ← prīnceps
Latin prī̆ncipātus ← prīnceps
Latin prī̆ncipissa ← prīnceps
Italian principessa ← principe

Forms

principiu n (plural principii)[1] Older forms were princip, prințip and the feminine principie.[2][1] Heliade Rădulescu wrote princip: „Creator atotputernic, Princip la toată ființa” “almighty Creator, principle of all being”.[3]

Etymology

It is a learned borrowing, borrowed from Latin principium (“beginning, origin”).[4][1] The Academy dictionaries name several sources at once, Latin, Italian principio and French principe, and MDA2 and the DLR add German Prinzip;[2][5][3][4] Tiktin also allows a borrowing through other languages.[2][5][3][4] That noun is formed on princeps (“first, foremost”) with the suffix -ium.[6][1] The Italian and French words are themselves borrowed from it.[7][8]

Earliest recorded meaning

Tiktin dates the word to 1684, from a record published by Mihăescu.[4] MDA2's first record is an undated text in which the vine is said to feed on „acealeși principiuri sau începuturi” “the same principles or beginnings”: the word still glossed by the native word for “beginning”.[5][3]

Semantic evolution

The first senses were philosophical: the first cause and source of the physical and moral world, and the basic element of matter.[3][5] In the 19th century it took the senses of a basic law of a science and a rule of conduct;[9] Costinescu's dictionary of 1870 has both, with a avea principiuri “to have principles”.[9] Chemistry gave principiu activ “active substance”.[2][5] The sense of a personal conviction appears in om de principii “man of principle” and din principiu “on principle”.[2]

Timeline

  • 1684 – the first record Tiktin gives.[4]
  • 1862 – Pontbriant gives the plural principiuri and the senses beginning, cause, source and rule.[10]
  • 1870 – Costinescu adds the scientific and moral senses.[9]
  • 1886 – Barcianu glosses it with German Ursprung and Prinzip.[11]

Meanings

Noun

  1. A fundamental element, idea or law on which a theory, a political or legal system or a rule of conduct rests;[2][5] în principiu “in principle, in general”.[2][5]
  2. (plural) The set of basic laws and notions of a discipline; a treatise setting them out.[2]
  3. A primordial element, first cause or starting point; formerly, the element thought to be the origin of the physical world;[2][5] principiu activ is the substance that gives a plant or animal product its specific character.[2][5]
  4. A personal conviction, one's own point of view: om fără principii “a man without principles”, din principiu “on principle”.[2]

Word family

  • principial

Usage notes

The plural is principii; older plurals were principiuri and principie.[5][10][12]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k DEX (2009), Dicționarul explicativ al limbii române [Explanatory dictionary of the Romanian language], Bucharest: Editura Univers Enciclopedic, p. 876
  3. ^ a b c d e Academia Română (1965–2010), Dicționarul limbii române (DLR), serie nouă, tom I–XIX, București: Editura Academiei Române, p. s.v. principiu
  4. ^ 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. principiu
  5. ^ a b c d e f g h i j Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2010), Micul dicționar academic, 2nd ed., 4 vols., București: Univers Enciclopedic Gold, p. 2, 543
  6. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press, p. s.v. principium
  7. ^ Nocentini, Alberto; Parenti, Alessandro (2010), l'Etimologico: vocabolario della lingua italiana, Firenze: Le Monnier, p. s.v. principio
  8. ^ Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert, p. s.v. principe
  9. ^ a b c Costinescu, Ion (1870), Vocabularu romano-francesu, 2 vols., Bucuresci, p. 2, 356
  10. ^ a b Pontbriant, Raoul de (1862), Dictiunaru romano-francesu, Bucuresci: A. Ulrich / Göttingen: Dieterich, p. 584
  11. ^ Barcianu, Sava Popovici (1886), Dicționar român-germân și germân-român, revised by D. P. Barcianu, part I: român-germân, Sibiu: Institut tipografic, p. 506
  12. ^ Damé, Frédéric (1893–1895), Nouveau dictionnaire roumain-français, 4 vols., Bucarest: Imprimerie de l'État, p. s.v. principiu

Related etymologies

  • apă · also from Latin
  • bun · also from Latin
  • unde · also from Latin
  • veni · also from Latin
  • noi · also from Latin
  • bine · also from Latin
  • un · also from Latin
  • și · also from Latin
Cite this entry

“Principiu.” Etymologically, 12 Nov. 2026, etymologically.com/ro/principiu. Accessed 12 Nov. 2026.

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