Etymograph

English

prosthetic

Prosthetic comes from Ancient Greek προσθετικός ‘adding’, from πρόσθεσις ‘addition’, and ultimately from προστίθημι ‘I add’.

  1. Ancient Greekc. 800–300 BCEπροστίθημι1prostíthēmi‘I add’
  2. Ancient Greekc. 800–300 BCEπρόσθεσις1prósthesis‘addition’
  3. Ancient Greekc. 800–300 BCEπροσθετικός1prosthetikós‘adding’
  4. New Latinc. 1500–1900prostheticus1
  5. Englishearliest quotation 2003prosthetic1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English prosthetic
  2. Earliest quotation in Wiktionary’s entry: 2003, Penny Delamar: “The specialist makers of prosthetics are part chemist, part…”.

Lineage

  1. Ancient Greekc. 800–300 BCEπροστίθημιWiktionary, English prostheticprostíthēmi‘I add’
  2. Ancient Greekc. 800–300 BCEπρόσθεσιςWiktionary, English prostheticprósthesis‘addition’
  3. Ancient Greekc. 800–300 BCEπροσθετικόςWiktionary, English prostheticprosthetikós‘adding’
  4. New Latinc. 1500–1900prostheticusWiktionary, English prosthetic
  5. Englishearliest quotation 2003prostheticWiktionary, English prosthetic. Earliest quotation in Wiktionary’s entry: 2003, Penny Delamar: “The specialist makers of prosthetics are part chemist, part…”

A compound of πρός ‘towards’ + τίθημι ‘I place’

Proto-Indo-European *pró ‘forwards, before’

Proto-Indo-European *próti ‘towards’

Ancient Greek πρός ‘towards’

Proto-Indo-European *dʰeh₁- ‘to put, place’

Proto-Indo-European *dʰé-dʰeh₁-ti

Proto-Hellenic *t(e/i)tʰēmi

Ancient Greek τίθημι ‘I place’

Today it means

adj Artificial, acting as a substitute for part of the body; relating to prosthesis.

Sources

Sources: Wiktionary, “prosthetic”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Ancient Greek προστίθημι / prosthetic