E.O.

Appendix:Variations of "eo" English Alternative forms en E O Etymology Short for "even and odd". Noun - en historical An old dice game resembling roulette. en 1851 1861 w:Henry Mayhew w:London Labour and the London Poor We made most at the E. O. tables,—not those played with a ball, they weren’t in vogue then, but throwing dice for prizes marked on a table. Our E. O. table was in a tilted cart.