Etymologically

Etymology and origin of the Romanian word ruginos

Confidence
Established
Formation
Derivation
First attested
c. 1563–1583 Codicele Voronețean More words from the 16th century
Ultimate origins
Latin *aeruginaRomanian -os
Etymology tree
inherited borrowed derived
Romanian rugină
Romanian ruginos

Forms

ruginos m (feminine singular ruginoasă, masculine plural ruginoși, feminine and neuter plural ruginoase)[1][2] The Codicele Voronețean writes it with r: „Nu cu rugirosul argintu sau auru izbăvitu-vă” “you were not redeemed with rusty silver or gold” (1 Peter 1:18).[3][1]

Etymology

It is formed from Romanian rugină + -os, from the noun for rust.[4][1][3][2][5] Wiktionary notes that it corresponds to Latin aerūginōsus (“covered with verdigris, rusty”) or to rūbīginōsus, but takes it as a Romanian derivative.[6] The Latin adjective is formed on aerūgō (“rust of copper, verdigris”).[7] DER derives the noun rugină from rūbīgō or from the Latin word for verdigris.[5]

Earliest recorded meaning

The first record is in the Codicele Voronețean (c. 1563–1583), in the passage of 1 Peter on redemption not by rusty silver or gold.[4][3][1]

Semantic evolution

The first sense is “rusty”, of iron and other metal: a Coresi print says that an iron tool kept hidden and unused grows rustier, and Budai-Deleanu's Țiganiada has „sabia cea ruginoasă” “the rusty sword”.[1] From this came the sense “old, worn out” in Pann, and in 1828 a figurative use for “outdated”, of prejudices.[1][4] Regionally it is said of wheat struck by rust.[1][4] As a noun, ruginoasă names the caracudă, short for caracudă ruginoasă, and in Muntenia a grape variety.[1][4] Scriban and the DLR label the word old and now rare.[8][1]

Timeline

  • c. 1563–1583 – rugirosul “rusty” in the Codicele Voronețean.[4][3][1]
  • 1596 – Ruginos, a village in Banat, in a Hungarian record.[9]
  • 1825 – ruginosu in the Lexicon de la Buda, glossed with Latin rubiginosus.[10]
  • 1828 – ruginoasele ... prejudecăți “the rusty prejudices”, a figurative use.[1]

Meanings

Adjective

  1. (archaic and popular; of metal objects) Rusty, oxidized.[1][4][3][6]
  2. (archaic) Old, worn out.[1][4][6]
  3. (archaic, figurative) Outdated, antiquated.[1][4][6]
  4. (regional; of wheat) Attacked by rust.[1][4]

Noun

  1. (ichthyology) The crucian carp (Carassius carassius), also called caracudă ruginoasă.[1][4]
  2. (Muntenia) A variety of grape.[1][4]

References

  1. ^ a b c d e f g h i j k l m n o p q Academia Română (1965–2010), Dicționarul limbii române (DLR), serie nouă, tom I–XIX, București: Editura Academiei Române, p. s.v. ruginos
  2. ^ a b Academia Republicii Populare Romîne (1958), Dicționarul limbii romîne moderne, București: Editura Academiei Republicii Populare Romîne, p. 1, 728
  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. ruginos
  4. ^ a b c d e f g h i j k l Academia Română, Institutul de Lingvistică „Iorgu Iordan – Al. Rosetti” (2010), Micul dicționar academic, 2nd ed., 4 vols., București: Univers Enciclopedic Gold, p. 2, 734
  5. ^ a b 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. rugină
  6. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  7. ^ Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  8. ^ Scriban, August (1939), Dicționaru limbii românești (etimologii, înțelesuri, exemple, citațiuni, arhaizme, neologizme, provincializme), Iași: Presa Bună, p. 1141
  9. ^ Suciu, Coriolan (1966–1968), Dicționar istoric al localităților din Transilvania, I–II, București: Editura Academiei Republicii Socialiste România, p. 2, 399
  10. ^ 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. 597
Cite this entry

“Ruginos.” Etymologically, 12 Nov. 2026, etymologically.com/ro/ruginos. Accessed 12 Nov. 2026.

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