Etymology and origin of the French word demi-heure
- Confidence
- Established
- Formation
- Compound
- First attested
- c. 1120 Philippe de Thaon, Bestiaire More words from the 12th century
- Ultimate origins
- French demi-Proto-Indo-European *yóh₁r̥
Etymology tree
From the same root
Forms
demi-heure f (plural demi-heures)[1] Old French demie hure, in the plural demies hures.[2][3]
Etymology
It is a compound from French demi- + heure.[3][2][4][1] In 1647 Vaugelas ruled that the compound should be written ⟨demi-heure⟩ and not ⟨demie heure⟩, while ⟨une heure et demie⟩ keeps the feminine.[3] demi was nevertheless still treated as an adjective that agreed with its noun throughout the 17th century.[3]
Earliest recorded meaning
It first appears about 1120 in Philippe de Thaon's Bestiaire: Duze demies hures ço ne sunt que sis hures “twelve half hours make only six hours”.[3][2]
Semantic evolution
The word has kept its meaning, half of an hour, thirty minutes.[3][5] The modern hyphenated form is recorded from 1610[2][5] and is found in Guez de Balzac before 1654.[4][6] Until the 19th century it could be used without an article (en demi-heure), a construction the TLFi now marks as dated.[3]
Timeline
- c. 1120 – Demies hures appears in Philippe de Thaon's Bestiaire.[3][2]
- 1610 – The form demi-heure is recorded.[2][5]
- 1647 – Vaugelas prescribes the spelling demi-heure.[3][6]
- Before 1654 – Guez de Balzac uses the word.[4][6]
Meanings
Noun
- Half an hour, thirty minutes: nous partons dans une demi-heure, la cloche sonne toutes les demi-heures.[3][5][1]
- (dated) Used without an article: il ne lui fallut pas plus de demi-heure.[3]
Related words
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d e f g h i j k 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
- ^ a b c Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
- ^ a b c d Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
- ^ a b c Quemada, Bernard, ed. (1959–2006), Datations et documents lexicographiques (Base historique du vocabulaire français, BHVF), Paris: Klincksieck / CNRS / Champion; ATILF
Cite this entry
“Demi-heure.” Etymologically, 15 Nov. 2026, etymologically.com/fr/demi-heure. Accessed 15 Nov. 2026.
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