epogdoon

E1P3O1G2D2O1O1N1

noun

A number equal to another plus an eighth thereof; a number 1.125 times another.

Scrabble 12

Meanings

nounepogdoon (plural not attested)
  1. no pluralrareAncient GreecemathematicsA number equal to another plus an eighth thereof; a number 1.125 times another.

    Eighteen... bears the epogdoon relation to sixteen, which is broken up by the intervention of seventeen, an odd number.

    1936, Frank Cole Babbitt translating Plutarch as "Isis and Osiris" in Moralia, Vol. V, p. 103, n.
    1 more example

    We cannot say that 256 is the epogdoon of 243, for in the number 256 is not contained the whole of 243 and an eighth thereof, since an eighth of 243 is approximately 30½...

    2016, John Magee translating Calcidius as On Plato's Timaeus, p. 201

Origin

  1. Ancient Greekἐπόγδοον
  2. Englishepogdoon

Borrowed from Ancient Greek ἐπόγδοον (epógdoon), from ἐπι- (epi-, “greater [by]”) + ὄγδοον (ógdoon, “an eighth part”).

Full word history & related roots →
Cite this entry
APA

epogdoon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/epogdoon

MLA

“epogdoon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/epogdoon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “epogdoon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/epogdoon.

Source: epogdoon on Wiktionary, CC BY-SA 4.0.