Pronunciation
Forms
fils m (invariable)[1] Old French subject case fils, fiz, object case fil, Picard fieu.[2][3][4] The s is pronounced (/fis/); the older pronunciation /fi/ lasted until the 19th century.[5][1]
Etymology
It is inherited from Old French fils, inherited from Latin fīlius (“son, child”).[6][2][4][7][1] The modern form is the Old French subject case, kept because it was often used as a vocative, and probably also to avoid confusion with fil “thread”.[6][4]
Latin “fīlius”, like fēcundus, goes back to an Indo-European root “*dhē-” “to suck”; it first meant “nursling” and replaced the old Indo-European word for “son”.[2][8][3] Cognate with Romanian fiu, Italian figlio, Occitan filh, Catalan fill, Spanish hijo and Portuguese filho.[8][9]
Earliest recorded meaning
It is first found in the second half of the 10th century in the Vie de saint Léger, for a male child considered in relation to his parents; the Passion of Clermont (late 10th century) has fils Deu, the Son of God.[6][2]
Semantic evolution
In the early 12th century it also meant descendants, as in li fil des humes “the sons of men” (Oxford Psalter).[6][2] From about 1196 it was used for any boy, without displacing garçon; it survives as a form of address (mon fils !), especially in the south of France.[2][10]
Fils de famille dates from 1606, fils à papa is more recent.[2] The old pronunciation /fi/ gave insults such as fi de garce.[2] The diminutive fiston dates from 1585, beau-fils from 1468 and petit-fils from the 13th century.[2]
Timeline
- 2nd half of the 10th century – Fils in the Vie de saint Léger.[6]
- Late 10th century – Fils Deu in the Passion of Clermont.[6]
- Early 12th century – Li fil des humes, descendants.[6]
- 13th century – Petit-fils.[2]
- 1468 – Beau-fils.[2]
- 1585 – Fiston.[2]
- 1606 – Fils de famille.[2]
Meanings
Noun
- A son: il a deux fils, fils unique.[8][1]
- After a surname: junior: Dumas fils.[8][1]
- (literary) A descendant: les fils des Gaulois; a native: un fils du pays.[11]
- Le Fils: the Son, the second person of the Trinity, le Fils de l'homme.[1][2]
- (form of address) Mon fils: my boy.[2]
Related words
References
- ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i j k l m n o Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
- ^ a b Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
- ^ a b c Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
- ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
- ^ a b c d e f g 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
- ^ Wartburg, Walther von, et al. (1922–2002), Französisches Etymologisches Wörterbuch, 25 vols., Bonn / Leipzig / Basel: Klopp / Teubner / Zbinden, p. 3, 521a
- ^ a b c d Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
- ^ Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
- ^ Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
- ^ Dictionnaire de français Larousse, larousse.fr/dictionnaires/francais (accessed 2024)
Related etymologies
Cite this entry
“Fils.” Etymologically, 18 Oct. 2026, etymologically.com/fr/fils. Accessed 18 Oct. 2026.
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