Epogdoon
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A number equal to another plus an eighth thereof; a number 1.125 times another. no-plural, rare
"Eighteen... bears the epogdoon relation to sixteen, which is broken up by the intervention of seventeen, an odd number."
Example
More examples"Eighteen... bears the epogdoon relation to sixteen, which is broken up by the intervention of seventeen, an odd number."
Etymology
Borrowed from Ancient Greek ἐπόγδοον (epógdoon), from ἐπι- (epi-, “greater [by]”) + ὄγδοον (ógdoon, “an eighth part”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.