Dactylioglyph

Dac‐tyl″i‐o‐glyph (dăk‐tĭl″ĭ‐ō̍‐glĭf), n. [Gr. δακτυλιογλύφοσ an engraver of gems; δακτύλιοσ finger ring (fr. δάκτυλοσ finger) + γλύφειν to engrave.] (Fine Arts) (a) An engraver of gems for rings and other ornaments. (b) The inscription of the engraver's name on a finger ring or gem.