The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Old Frenchdes-
- Middle Frenchdes-
- Proto-Indo-European*ser-
- Proto-Indo-European*serwos
- Proto-Indo-European*serweyéti
- Proto-Italic*serwijeti
- Proto-Italic*serwijit
- Proto-Italic*serwiō
- Latinserviō
- Old Frenchservir
- Middle Frenchservir
- Middle Frenchdesservir
- Middle Frenchdessert
- English todaydessert
Borrowed from Middle French dessert, from desservir (“disserve”), from dés- (“dis-”) and servir (“serve”), thus literally meaning “removal of what has been served”. Note: It was erroneously suggested (e.g. in "Glucose syrups: Technology and Applications" (Peter Hull, 2010)) that the word is derived from the name of Benjamin Delessert, the inventor of beet sugar. However, the term predates him by at least a century.
Etymology from Wiktionary, CC BY-SA 4.0.