prosthesis

Via Latin, from Ancient Greek πρόσθεσις (prósthesis, “addition”), from προστίθημι (prostíthēmi, “to add”), from πρός (prós, “towards”) + τίθημι (títhēmi, “to place”), from Proto-Indo-European *próti, *préti + *dʰédʰeh₁ti (“to be putting, to be placing”). By surface analysis, prosth- +‎ -esis.

• IPA^(key): /pɹɒsˈθiːsɪs/, /ˈpɹɒsθəsɪs/

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prosthesis (countable and uncountable, plural prostheses)

2. (medicine) An artificial replacement for a body part, either internal or external.

   Hyponyms: hemiprosthesis, megaprosthesis

   • 2017 July 16, Jenny Marc, Katy Scott, “Revolutionary gel is five times stronger than steel”, in CNN‎^[1], archived from the original on 2 July 2025:

     Gong believes the fiber-reinforced hydrogel could be used to create biomaterials, such as artificial organs and prostheses, able to endure everyday wear-and-tear.

4. (linguistics, prosody) Prothesis.

• storeships, stores ship, sophisters