- executive order.
- a combining form meaning “early,” “primeval,” used in the formation of compound words: Eocene; eohippus.
Origin of eo-
- ex officio.
- by that very fact.
- by that name.
Examples from the Web for eo
Then from e, the point of the continuation, let eo, an infinite perpendicular be erected.The Way To Geometry
God is the universal soul; in eo vivimus, movemur, et sumus.Urania
In leouer 49, eo is for o from ; ea 53 represents , ever; comp.
Eo asked as the machines dumped Patrolman Whedbee on the table.
I don't understand him, Eo, and wish I had time to study the phenomena.
- early or primevalEocene; eohippus
- ex officio
Word Origin and History for eo
word-forming element used from mid-19c. (first in Eocene) in compound words formed by earth-scientists and meaning "characterized by the earliest appearance of," from Greek eos "dawn," from PIE *aus-, cognate with Modern English east (q.v.). Piltdown Man, before exposed as a fraud, was known as Eoanthropus.