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roi

Etymology and origin of the French word roi

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Confidence
Established
Formation
Inherited
First attested
c. 880, Séquence de sainte Eulalie (rex)
Inherited from
Latin rex via Old French
Ultimate origin
Latin (rēx)
Etymology tree
inherited borrowed derived
Latin rex
French roi
Latin regalis

Pronunciation

Forms

roi m (plural rois, feminine reine)[1] First the Latin form rex (about 880), then Old French rei (about 980) and roi (about 1160); the spelling roy, from the 13th century, was common in the 17th.[2][3][4]

Etymology

It is inherited from Old French rei, inherited from Latin rēx (“king; ruler, Jupiter”), from the accusative “rēgem”.[5][2][6][7] Rey places the Latin word among the Indo-European terms of politics and religion found at both ends of the Indo-European area: Sanskrit राज् (rāj-) in compounds, “rā́jan-” “king” (compare rajah), Old Irish rí and Gaulish “-rix” (Vercingetorix), whence the Germanic adjective behind riche.[2][8] “Rēx” is naturally connected with regō (“to guide, direct, rule”) (compare régir); Benveniste saw in it the priest who traced the line between the sacred and the profane.[2]

Cognate with Romanian rege, Italian re, Occitan rei, Catalan rei, Spanish rey and Portuguese rei.[8]

Earliest recorded meaning

In the Sequence of Saint Eulalia (about 880) the emperor Maximian is rex, a ruler over the pagans; the Chanson de Roland has Charles li reis, nostre emperere magne.[5][9]

Semantic evolution

From the earliest texts it was also used of Christ (late 10th century) and God (reis de majesté, about 1145).[5] The Epiphany is the feste des trois Roys (1324), whence the galette des rois and Rabelais' finding the bean in the gasteau des Roys (1533); le roi boit! is the cry when the bean-king drinks (1579).[5][10] In games it is the chess king (Chrétien de Troyes, 1176) and the card king (Molière, 1661; earlier in 1571).[5][10]

Figuratively it is a person with every comfort (Roman de Renart, 1175–80) and the best in a field: the king of minstrels (about 1245), roi des ribauds (1269–78).[5] Bleu de roi dates from 1690, and the proverb le roi n'est pas son cousin from 1595.[5][10]

Timeline

  • c. 880 – Rex, Sequence of Saint Eulalia.[5]
  • c. 980 – Rei.[2][4]
  • c. 1160 – Roi.[2][3]
  • 1176 – The chess king, Chrétien de Troyes.[5]
  • 1324 – Feste des trois Roys.[5]
  • 1606 – Roy Très-chrestien, title of the kings of France, in Nicot.[5]
  • 1661 – The card king, Molière.[5]
  • 1690 – Bleu de roi.[5]

Meanings

Noun

  1. A king, monarch: le roi de France, vivre en roi.[8][1]
  2. (chess, cards) The king.[1][5]
  3. The greatest in a field: le roi des animaux (the lion).[1][5]
  4. Les Rois: the Epiphany (la fête des Rois), when the galette des rois is eaten.[1][5]
  5. (religion) Le Roi des rois: God or Christ.[5][4]

Word family

  • royaume
  • royauté
  • royal
  • roitelet
  • vice-roi

Usage notes

Heureux comme un roi means very happy, au royaume des aveugles, les borgnes sont rois: in the kingdom of the blind the one-eyed man is king.[9][1]

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  3. ^ a b Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  4. ^ a b c Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  5. ^ a b c d e f g h i j k l m n o p q Trésor de la langue française informatisé (2004), ATILF – CNRS & Université de Lorraine, atilf.fr/tlfi; electronic version of Imbs, Paul; Quemada, Bernard, eds. (1971–1994), Trésor de la langue française, Paris: CNRS / Gallimard
  6. ^ Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  7. ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 10, 366b
  8. ^ a b c Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  9. ^ a b Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
  10. ^ a b c Quemada, Bernard, ed. (1959–2006), Datations et documents lexicographiques (Base historique du vocabulaire français, BHVF), Paris: Klincksieck / CNRS / Champion; ATILF

Related etymologies

Cite this entry

“Roi.” Etymologically, 18 Oct. 2026, etymologically.com/fr/roi. Accessed 18 Oct. 2026.

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