Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Apo \Ap"o\ [Gr. ?. See {Ab-}.]
A prefix from a Greek preposition. It usually signifies from,
away from, off, or asunder, separate; as, in apocope (a
cutting off), apostate, apostle (one sent away), apocarpous.
[1913 Webster]
From V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2013) [vera]:
APO
Advanced Planner and Optimizer (SAP, SCM)