Earliest penned data with the term cendol or tjendol (Dutch spelling) is often traced to dictionaries and textbooks in the 19th century in the Dutch East Indies (now Indonesia). One of the oldest recognised documents with the phrase tjendol is shown inside the 1866 Oost-Indisch kookboek or East Indies https://israelutwph.blogs-service.com/36341538/the-smart-trick-of-es-dawet-that-nobody-is-discussing