The term 'etched deeply' is an 8-letter crossword solution that describes a process of carving or engraving a design, pattern, or words into a hard surface. This process is usually done with a sharp tool, such as a chisel, and can be used to create artwork, inscriptions, or other decorations. The result is a permanent impression that is difficult to remove or alter. Etching has been used for centuries in various cultures, and is still popular today for creating decorative items and artwork.