Candy arrived in English through one of the longest trade-route etymologies in the language. The chain begins with Sanskrit khanda, meaning a broken piece or fragment, specifically applied to lumps of crystallized sugar produced in ancient India. Persian borrowed it as qand to mean cane sugar, and Arabic adapted it as qandi for sugar that had been crystallized through boiling and cooling.
Arab merchants controlled the sugar trade across the Mediterranean during the medieval period, and the word traveled with the commodity. Old French adopted it as cucre candi — literally sugar candy — and Middle English shortened this to candy by the 14th century. At first the word referred only to crystallized or rock sugar, not the broad category of sweets it covers today.
In medieval and early modern Europe, sugar remained a luxury item. Apothecaries sold candy as a medicinal product, prescribed for coughs, digestive complaints, and general weakness. The association between sugar and medicine lingered for centuries — cough drops and lozenges are a surviving echo of this tradition.
The semantic broadening happened gradually. By the 17th century, candy could refer to any sugar-based confection. American English embraced the word as a general term for sweets, while British English reserved it mainly for specific types like candy floss, preferring sweets as the umbrella term.
The word's journey from South Asia to Europe mirrors the history of sugar itself. Sugarcane cultivation spread from India to Persia, then to the Arab world, and finally to Mediterranean Europe. Each culture along the route left its linguistic fingerprint on this common English word, making candy a compressed history of global trade in a single syllable.