prosthesis

 
Pronunciation: /prɒsˈθiːsɪs, ˈprɒsθɪˌsɪs/

noun (plural prostheses /-siːz/)

  • 1an artificial body part, such as a limb, a heart, or a breast implant: his upper jaw was removed and a prosthesis was fitted
  • 2 Linguistics the addition of a letter or syllable at the beginning of a word, as in Spanish escuela derived from Latin scola.

Derivatives

prosthetic

Pronunciation: /-ˈθɛtɪk/
adjective

prosthetically

Pronunciation: /-ˈθɛtɪk(ə)li/
adverb

Origin:

mid 16th century (in prosthesis (sense 2)): via late Latin from Greek prosthesis, from prostithenai, from pros 'in addition' + tithenai 'to place'