3. Prosthesis: 1553, "addition of a letter or syllable to a word," from L.L., from Gk. prosthesis "addition," from prostithenai "add to," from pros "to" + tithenai "to put, place" (see theme). Meaning "artificial body part" is first recorded 1706. TROPE MATERIAL ARTEFACT
4. Lev Manovich “ Visual Technologies as Cognitive Prostheses: A Short History of the Externalization of the Mind” The Prosthetic Impulse (2006)