Prosthesis

имя существительное [множественное число] prostheses 1) [медицина] а) протез Синоним(ы): artificial limb, prosthetic device б) протезирование 2) [лингвистика] протеза

Большой англо-русский словарь

Prosthesis

noun (plural prostheses) Etymology: New Latin, from Greek, addition, from prostithenai to add to, from pros- in addition to + tithenai to put — more at pros-, do an artificial device to replace or augment a missing or impaired part of the body

Merriam-Webster's Collegiate Dictionary