Etymograph

English

holohedral

Holohedral comes from Ancient Greek ἕδρα ‘seat’, and goes back to Proto-Indo-European *sed- ‘to sit’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sed-‘to sit’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*sedreh₂reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*hédrāreconstructed
  4. Ancient Greekc. 800–300 BCEἕδραhédra‘seat’
  5. Englishtodayholohedral

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sed-‘to sit’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*sedreh₂reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*hédrāreconstructed
  4. Ancient Greekc. 800–300 BCEἕδραhédra‘seat’
  5. Englishtodayholohedral

Linked words

through Proto-Indo-European *sed- ‘to sit’

set, president, size, sell, sit, sitting, seat, session, method, resident, settle, assess, nest, possess, siege, saddle, exodus, reside, niche, subsidy, residue, residual, sedan, nye, sediment, insidious, dissident, beset, soot, sedentary, setter, obsess, prasad, cathode, anode, sedative, presidio, sedate, sate, sessile, 93 more

through Ancient Greek ἕδρα ‘seat’

chair, chaise, polyhedron, 10 more

Today it means

adj Having as many plane faces as needed for the highest degree of symmetry in its system

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *sed- / holohedral