Etymology and origin of the Italian word mostaccio
- Confidence
- Probable
- Formation
- Inherited
- First attested
- 1350–1400 as mostazo More words from the 14th century
- Inherited from
- Latin mustacium
- Ultimate origin
- Ancient Greek μύσταξ
Forms
mostaccio m (plural mostacci)[1] Old forms include mostacio, mostazo, mostazzo, mustaccio and mustazzo.[2]
Etymology
It is inherited from Medieval Latin mustacium, recorded in the plural in a 7th-century gloss, the Erfurt glossary.[1][3][4] The Latin word was taken from Byzantine Greek μουστάκιον (moustákion), a diminutive of Ancient Greek μύσταξ (mústax, “upper lip; moustache”).[1][3][5][6][7][8] Zingarelli compares μάσταξ (mástax, “mouth”), and Nocentini traces the Greek word to an imitative root, as in muso.[9][10] Wiktionary compares Sicilian mustazzu.[1]
The same Greek word later gave mustacchio, through Medieval Greek, in the 16th century.[10][4] Meyer-Lübke saw the matter differently: Old Italian mostacchio gave French moustache and Spanish mostacho, and this word, in the sense “snout”, came back from Spanish.[11] He also thought that Romanian mustață points to *mustacium, which could also underlie this word.[11]
Earliest recorded meaning
GRADIT dates the word to the second half of the 14th century, in the old form mostazo.[3] An early poem, the Storia di Stefano, threatens to strike someone's mostazo with the fist; the sense is “face”.[2] The word appears earlier as a name: Jacopo Mostacci or Mostazzi, perhaps from Pisa, was an imperial falconer and poet in 1240.[4]
Semantic evolution
In the chivalric poems the word is the face that gets hit: Orlando's mostaccio is all bruised, and in Pulci Rinaldo strikes Salicorno in the face with his gauntlet.[2][12] Pulci also has it for “snout, mug”, and it is used of a horse's muzzle.[4] The plural mostacci meant “moustache” in the 16th century, when Turkish-style moustaches came into fashion;[4][10] Garzoni mocked the barbers' new mostacchi.[4][10]
Today the word is literary or jocular for “face”, often contemptuous, in phrases such as rompere il mostaccio a qualcuno “to smash someone's face”.[3][5][9][8] In some regions it is still a form of mustacchio, also in its nautical senses.[7][9] Spanish, Catalan and Galician have the word, which Wiktionary describes as borrowed from Italian.[1]
Timeline
- 7th century – The Erfurt glossary has Latin mustacia.[4][1]
- 1240 – Jacopo Mostacci, a falconer and poet, is named.[4]
- Second half of the 14th century – Mostazo is recorded.[3][5]
- 16th century – Mostacci and mustacchi are used for moustaches in the Turkish fashion.[4][10]
Meanings
Noun
- (jocular, often derogatory) face, mug: gli ha dato un pugno sul mostaccio.[3][5][6][9][7]
- (popular, regional) A moustache; the same as mustacchio.[3][9][7]
Word family
- mostaccino
- mostacciata
- mostaccione
- smostacciare
Related words
- mustacchio
- muso
Usage notes
Rompere il mostaccio a qualcuno means “to beat someone up”, and dire qualcosa sul mostaccio “to say something to someone's face”.[8][5] Zingarelli lists mostacciuolo as a diminutive of mostaccio; the sweet mostacciolo has another origin.[9][10]
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c Battaglia, Salvatore; Bàrberi Squarotti, Giorgio (1961–2002), Grande dizionario della lingua italiana, 21 vols., Torino: UTET; digital ed. Accademia della Crusca
- ^ a b c d e f g De Mauro, Tullio (ed.) (2003), Grande dizionario italiano dell'uso, CD-ROM version 2.0, Torino: UTET
- ^ a b c d e f g h i Prati, Angelico (1951), Vocabolario etimologico italiano, Milano: Garzanti, p. 682
- ^ a b c d e Devoto, Giacomo; Oli, Gian Carlo; Serianni, Luca; Trifone, Maurizio (2026), Nuovo Devoto–Oli: il vocabolario dell'italiano contemporaneo, digital ed., Milano: Le Monnier
- ^ a b Sabatini, Francesco; Coletti, Vittorio; Manfredini, Manuela (2026), Dizionario italiano Sabatini Coletti, digital ed., Milano: Sansoni / Rizzoli Larousse
- ^ a b c d Duro, Aldo (ed.) (1986–1994), Vocabolario della lingua italiana, Roma: Istituto della Enciclopedia Italiana; online ed. treccani.it/vocabolario (2008 copy)
- ^ a b c Gabrielli, Aldo (2020), Grande dizionario italiano, digital ed., Milano: Hoepli
- ^ a b c d e f Zingarelli, Nicola (2009), Lo Zingarelli 2010: vocabolario della lingua italiana, Bologna: Zanichelli
- ^ a b c d e f Nocentini, Alberto; Parenti, Alessandro (2010), l'Etimologico: vocabolario della lingua italiana, Firenze: Le Monnier
- ^ a b Meyer-Lübke, Wilhelm (1935), Romanisches etymologisches Wörterbuch, 3rd ed., Heidelberg: Winter
- ^ Tommaseo, Niccolò; Bellini, Bernardo (1861–1879), Dizionario della lingua italiana, 4 vols., Torino: UTET
Related etymologies
Cite this entry
“Mostaccio.” Etymologically, 14 Nov. 2026, etymologically.com/it/mostaccio. Accessed 15 Nov. 2026.
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