mayonnaise

UK: ˌmeɪ.əˈneɪz | US: ˈmeɪ.ə.neɪz

Definition
  1. n. a thick, creamy dressing or sauce made from oil, egg yolks, and vinegar or lemon juice, often flavored with mustard or other seasonings.

Structure
mayonn <possibly from *Mahon*, a city>aise <French suffix for sauces>
Etymology

The word "mayonnaise" is believed to have originated in the mid-18th century, possibly named after the city of Mahon (Maó) in Menorca, Spain. French forces under the Duke of Richelieu allegedly encountered a local egg-and-oil sauce during their occupation of the city in 1756 and brought the recipe back to France, where it was adapted and popularized. The suffix -aise is a common French ending for sauces (e.g., béarnaise). Over time, the spelling evolved to "mayonnaise," reflecting its French culinary association.

Examples
  1. She spread a generous layer of mayonnaise on her sandwich.

  2. The chef whisked the mayonnaise until it was perfectly smooth.

  3. This recipe calls for homemade mayonnaise instead of store-bought.

  4. He dislikes the taste of mayonnaise in his salads.

  5. The burger was dripping with mayonnaise and mustard.