SD INDEXa IO Ioh, AEgyptiis Lunam significat neque habent illi in communi sermonis usu, aliud nomen quo Lunam, designent praeter IO II 463 (Lat) IO, Ioh, to the Egyptians signifies the MOON. They do not have in their everyday language any other word with which to denote the Moon except IO. -- P. E. Jablonsky, Pantheon aegyptiorum, 2.3.1.6, 1752 ed.