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Etymology and origin of the Italian word tre

Confidence
Established
Formation
Inherited
First attested
1211
Inherited from
Latin tres
Ultimate origin
Proto-Indo-European *tréyes
Etymology tree
inherited borrowed derived
Latin tres
French trois
Italian tre
Derived words
Latin triens ← tres
Latin triumvir ← tres
French troisième ← trois

Pronunciation

  • /ˈtre/[1]
  • Italy, Northern: /ˈtrɛ/[1]

Forms

tre (invariable; as a noun masculine, in the hours feminine plural)[2][3] Old and dialect forms include trée, tréi and tri.[4] Dante has the old form trei, and Trentino has trei today.[5]

Etymology

It is inherited from Latin trēs, from Proto-Italic *trēs, from Proto-Indo-European *tréyes.[6][2][1] The numeral is pan-Romance: French trois, Occitan tres, Catalan tres, Spanish tres, Portuguese três, Sardinian tres and Romanian trei.[6][7]

The numerals belong to the most stable part of the Indo-European vocabulary, and the Latin word matches Ancient Greek τρεῖς (treîs), Lithuanian trỹs, Old High German drī and English three.[6][1][8] Latin declined it, with the neuter tria.[8] From its stem come terzo, tredici and trecento as well.[6][8]

Earliest recorded meaning

Nocentini and GRADIT date the first record to 1211.[6][2] Among the GDLI's earliest examples are Guido Faba's tree and Giacomino Pugliese's tre persone “three persons”.[4]

Semantic evolution

Besides the exact number, tre has long stood for a small, indefinite amount, as in non sa dire tre parole “he can't string three words together”, and for “several” in pensarci tre volte.[2][9][3] Placed after a noun it serves as an ordinal (pagina tre), and as a noun it names the third day of the month, the figure 3, a very poor school mark and, in the feminine plural, three o'clock.[2][10]

Proverbs include non c'è due senza tre, “what has happened twice will happen again”, and chi fa da sé fa per tre.[10][9] The card game tressette, first recorded as tre sette in 1631, spread from Naples;[6] Nocentini explains its name by an old rule under which holding three sevens earned three points.[6]

Timeline

  • 1211 – First record.[6][2]
  • 1300–1313 – Dante uses the old form trei.[5]
  • 14th century – Tremila and treppiede are recorded.[6]
  • 1631 – The card game tre sette is recorded.[6]
  • 1895 – Trequarti is recorded.[6]

Meanings

Numeral

  1. three: Ho tre fratelli.[2][9][1]
  2. A few, a small number: te lo spiego in tre parole.[2][11]
  3. After a noun, third, number three: capitolo tre.[2][9]

Noun

  1. The number three; the figure 3.[2][10]
  2. The third day of the month: il tre maggio.[2][10]
  3. A very low school mark, far below a pass.[2][10]
  4. le tre (feminine plural): three o'clock, at night or in the afternoon.[10][3]

Word family

  • tremila
  • treppiede
  • trequarti
  • tressette
  • trealberi
  • ventitré
  • trentatré

Usage notes

Tre causes syntactic doubling of the next consonant in Tuscan and standard pronunciation, which is fixed in spellings such as tressette.[11][10] The vowel is closed in the standard language and open in the North.[1][4]

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l De Mauro, Tullio (ed.) (2003), Grande dizionario italiano dell'uso, CD-ROM version 2.0, Torino: UTET
  3. ^ a b c Zingarelli, Nicola (2009), Lo Zingarelli 2010: vocabolario della lingua italiana, Bologna: Zanichelli
  4. ^ a b c Battaglia, Salvatore; Bàrberi Squarotti, Giorgio (1961–2002), Grande dizionario della lingua italiana, 21 vols., Torino: UTET; digital ed. Accademia della Crusca, p. 21
  5. ^ a b Prati, Angelico (1951), Vocabolario etimologico italiano, Milano: Garzanti, p. 1013
  6. ^ a b c d e f g h i j k Nocentini, Alberto; Parenti, Alessandro (2010), l'Etimologico: vocabolario della lingua italiana, Firenze: Le Monnier
  7. ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
  8. ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  9. ^ a b c d Devoto, Giacomo; Oli, Gian Carlo; Serianni, Luca; Trifone, Maurizio (2026), Nuovo Devoto–Oli: il vocabolario dell'italiano contemporaneo, digital ed., Milano: Le Monnier
  10. ^ a b c d e f g Vocabolario della lingua italiana Treccani (2011), Roma: Istituto della Enciclopedia Italiana
  11. ^ a b Sabatini, Francesco; Coletti, Vittorio; Manfredini, Manuela (2026), Dizionario italiano Sabatini Coletti, digital ed., Milano: Sansoni / Rizzoli Larousse

Related etymologies

Cite this entry

“Tre.” Etymologically, 21 Oct. 2026, etymologically.com/it/tre. Accessed 22 Oct. 2026.

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