Etymograph

English

duoprism

Duoprism comes from Ancient Greek πρῑ́ω ‘to saw’, from πείρω ‘to pierce’, and perhaps ultimately from Proto-Indo-European *per- ‘to pass, go forth’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*per-1‘to pass, go forth’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pér-ye-ti1uncertainye-present of *per-
  3. Proto-Hellenicc. 2200–1600 BCE*péryō1uncertain
  4. Ancient Greekc. 800–300 BCEπείρω2peírō‘to pierce’uncertain
  5. Ancient Greekc. 800–300 BCEπρῑ́ω3prī́ō‘to saw’
  6. Ancient Greekc. 800–300 BCEπρίσμᾰ3prísmă
  7. Late Latinmodernprisma3
  8. English1500–presentprism3
  9. Englishtodayduoprism3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek πείρω
  2. 2 Wiktionary, Ancient Greek πρίω
  3. 3 Wiktionary, English duoprism

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*per-Wiktionary, Ancient Greek πείρω‘to pass, go forth’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pér-ye-tiWiktionary, Ancient Greek πείρωuncertainye-present of *per-
  3. Proto-Hellenicc. 2200–1600 BCE*péryōWiktionary, Ancient Greek πείρωuncertain
  4. Ancient Greekc. 800–300 BCEπείρωWiktionary, Ancient Greek πρίωpeírō‘to pierce’uncertain
  5. Ancient Greekc. 800–300 BCEπρῑ́ωWiktionary, English duoprismprī́ō‘to saw’
  6. Ancient Greekc. 800–300 BCEπρίσμᾰWiktionary, English duoprismprísmă
  7. Late LatinmodernprismaWiktionary, English duoprism
  8. English1500–presentprismWiktionary, English duoprism
  9. EnglishtodayduoprismWiktionary, English duoprism

Linked words

through Proto-Indo-European *per- ‘to pass, go forth’

first, before, support, far, per, report, further, fear, press, practice, private, opportunity, price, port, pre, appreciate, afford, primary, ford, prior, forth, pregnant, prime, practical, parade, precious, prize, par, interpretation, ferry, pirate, fare, praise, privilege, porch, pardon, primitive, interpreter, afar, pragmatic, 152 more

through Ancient Greek πείρω ‘to pierce’

pore, emporium, prion, 12 more

through Ancient Greek πρῑ́ω ‘to saw’

prismatic, 3 more

Today it means

noun A polytope resulting from the Cartesian product of two polytopes.

Sources

Sources: Wiktionary, “duoprism”; the older steps come from the Wiktionary entries for Ancient Greek πείρω, Ancient Greek πρίω. 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 / Proto-Indo-European *per- / duoprism

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