👉 "Chertiest" is a term in French that refers to a type of stone used in medieval architecture. It was originally made by chert (a mineral), and it was often used for decorative purposes, such as pillars or walls. However, over time, the name "chert" has been applied to a wide variety of materials, including marble, granite, and other stones that were once considered less durable than chert. Despite its history, the term "chertiest" is
