plakhos
Plakhos, plural plakhoi, is a Greek noun meaning a flat object such as a tablet, plaque, or slab. In classical Greek, it referred to a physical surface that could bear writing or inscriptions, often a stone or metal plate used to record public texts, decrees, dedications, or lists.
Etymologically, plakhos derives from a root associated with flatness or broad surfaces, with the -hos noun-forming
In modern Greek, plakhos continues to denote a flat plate or plaque, including commemorative plaques attached