| | Alternative Medicine | Iridology What does epi stand for in the word epidemic? Epi- is a prefix derived from the Greek ἐπι- (epi-), meaning "upon", "on", "over", "at", "by", "near", "with", "in addition", "against", "towards". Iridology - Related Articles What if your eosinophils count is 0.6 Is it dangerous? What is an arthropexy? What is dacnomania? What Is Iridology? How to Use an Iridology Camera How to Use Iridology as a Diagnostic Tool What is equine encephalitis?