Etymograph

English

acoptic

Acoptic comes from Ancient Greek κόπτω ‘to cut’.

  1. Ancient Greekc. 800–300 BCEκόπτω1kóptō‘to cut’
  2. Englishtodayacoptic1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English acoptic

Earlier history uncertain. See Wiktionary.

Lineage

  1. Ancient Greekc. 800–300 BCEκόπτωWiktionary, English acoptickóptō‘to cut’
  2. EnglishtodayacopticWiktionary, English acoptic

The story

Introduced by the mathematician Branko Grünbaum to clarify terminology in the geometry of polygons and polyhedra.

Full etymology on Wiktionary

Linked words

through Ancient Greek κόπτω ‘to cut’

comma, syncope, 7 more

Today it means

adj Not self-intersecting.

Sources

Sources: Wiktionary, “acoptic”. 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 κόπτω / acoptic