Wiktionary
toreutics
n. The art of making relief or intaglio designs, especially by chasing, carving or embossing in metal
Wikipedia
Toreutics
Toreutics is a term, relatively rare in English, for artistic metalworking, by hammering gold or silver (or other materials), engraving, Repoussé and chasing to form minute detailed reliefs or small engraved patterns. Toreutics can include metal- engraving – forward-pressure linear metal removal with a burin.