"Variant of Emygdius"
The name Emidio is commonly a male name from the "Italian" origin.
Emidio is the Italian form of Emygdius, the Latin name of the bishop and martyr of Ascoli Piceno known as Saint Emygdius. Portuguese has the corresponding form EmÃdio. The name is an Italian rendering of a Latin saint's name.
The pronunciation of Emidio is eh-MEE-dee-oh.