Etymologically

Etymology and origin of the French word tacher

Confidence
Disputed
Formation
Derivation
First attested
1000s late 11th century, Rashi's glosses More words from the 10th century
Ultimate origin
Latin *tacca
Etymology tree
inherited borrowed derived
French tache
French tacher
From the same root
French détacher ← tache

Pronunciation

Forms

tacher[1] Old French tajer, tachier and techier.[2][3]

Etymology

Most dictionaries derive it from French tache (“stain, spot”).[4][5][6][2] The noun is of uncertain origin: Wartburg traced it to Gothic 𐍄𐌰𐌹𐌺𐌽𐍃 (taikns, “sign”) through Late Latin *tacca, and the TLFi finds this hard to accept on grounds of sound and sense.[2][3]

Others make the verb the base of the family and the noun its deverbal: Joppich-Hagemann, cited by the TLFi, derives tachier from Vulgar Latin *tagicare, from Latin tangō (“to touch”), which under the influence of tingō (“to dye”) had come to mean "to touch with something wet, smear, colour", and techier from *tigicare, built on the verb for "to dye".[2] Guiraud, cited by the DHLF and the Grand Robert, proposes Vulgar Latin *tacticare, built on tactum, the supine of the verb for "to touch", a stain being the mark of a finger.[3][7]

Littré compares Walloon techî, Old Occitan tacar, Spanish tachar and Italian tacciare.[8]

Earliest recorded meaning

It first appears as tajer “to speckle” in Rashi's glosses at the end of the 11th century.[2][3] Chrétien de Troyes's Chevalier de la Charrette (1176–1181) has the modern sense: De ses dras ne se gardoit mie Que il fussent tachié de sanc “he took no care that his clothes should not be stained with blood”.[2]

Semantic evolution

The past participle tachié, “bearing natural spots”, is found about 1265 in Brunetto Latini.[2] In a moral sense, “to sully, tarnish”, tachier appears in the second half of the 13th century, already techier about 1215; this use survived in classical French, as in Corneille and Molière, but gave way to entacher.[2][3][5] The infinitive itself is recorded only from 1530, in Palsgrave.[5][6]

The sense “to mark with a coloured spot” dates from 1841, and the reflexive se tacher “to stain oneself, one's clothes” from 1819.[2][6]

Timeline

  • late 11th century – Rashi's glosses have tajer “to speckle”.[2]
  • 1176–1181 – Chrétien de Troyes uses tachié de sanc “stained with blood”.[2]
  • c. 1215 – Raoul de Houdenc uses techier for moral sullying.[2]
  • c. 1265 – Brunetto Latini uses tachié of a naturally spotted animal.[2]
  • 1530 – Palsgrave records the infinitive tacher.[5]
  • 1819 – Boiste records se tacher.[2]
  • 1841 – Bertrand uses it for “to mark with a coloured spot”.[2]

Meanings

Verb

  1. (transitive) To stain or soil with a spot or spots: tacher sa chemise de café.[6][2]
  2. (intransitive, of a substance) To leave marks that are hard to remove;[6][2] du gros qui tache is cheap red wine.[6][2]
  3. (dated) To sully morally, to tarnish someone's honour or name.[6][5]
  4. To mark with a coloured patch.[6][2]
  5. Se tacher: to get stains on oneself or one's clothes.[6][2]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q r s t 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
  3. ^ a b c d e Rey, Alain, ed. (1992), Dictionnaire historique de la langue française, Paris: Le Robert
  4. ^ Bloch, Oscar; Wartburg, Walther von (1989), Dictionnaire étymologique de la langue française, 8th ed., Paris: Presses universitaires de France
  5. ^ a b c d e Guilbert, Louis; Lagane, René; Niobey, Georges, eds. (1971–1978; 1989), Grand Larousse de la langue française, Paris: Larousse
  6. ^ a b c d e f g h i Rey-Debove, Josette; Rey, Alain, eds. (2007), Le Petit Robert de la langue française, Paris: Le Robert
  7. ^ Rey, Alain, ed. (2005), Le Grand Robert de la langue française, electronic version, Paris: Le Robert
  8. ^ Littré, Émile (1873–1877), Dictionnaire de la langue française, 4 vols. and supplement, Paris: Hachette
Cite this entry

“Tacher.” Etymologically, 14 Nov. 2026, etymologically.com/fr/tacher. Accessed 15 Nov. 2026.

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