divination by means of a mirror, 1855, from Greek enoptos, literally "seen in," from en- "in" (from PIE root *en "in") + optos "seen, visible" (from PIE root *okw- "to see") + -mancy.
enmity
ennead
ennoble
ennui
Enoch
enoptomancy
enormious
enormity
enormous
Enos
enough