Borrowed fromAncient Greekἐπόγδοον(epógdoon), fromἐπι-(epi-,“greater [by]”) +ὄγδοον(ógdoon,“aneighthpart”).
epogdoon (plural not attested)
- (mathematics, Ancient Greece, rare) Anumberequal toanotherplus aneighththereof; anumber 1.125timesanother.
- 1936, Frank Cole Babbitt translatingPlutarch as"Isis and Osiris" inMoralia,Vol. V,p. 103, n.:
- Eighteen... bears theepogdoon relation to sixteen, which is broken up by the intervention of seventeen, an odd number.
- 2016, John Magee translating Calcidius asOn Plato's Timaeus,p. 201:
- We cannot say that 256 is theepogdoon 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...
