carousel
KAIR-uh-sel · noun
SicilianNeapolitanItalianFrenchEnglish
Origin
English carousel comes from French carrousel, which came from Italian carosello, itself traced to Sicilian caruseḍḍu and/or Neapolitan carusiello. The exact root within those dialects is uncertain, and an old guess linking it to carro ("cart") from Latin carrus doesn't hold up morphologically.
Journey
The facts given don't describe how the word's meaning shifted over time, only its uncertain path through French and Italian dialect forms into English.
Related words
It is not believed to be related to the similar-looking word carousal, despite the resemblance.