D defs.my
Entry 1 sense Webster, 1913

Apo

/āpˌ-ēˌ-ō'/ · Ap·o · IPA /ˌeɪpˌiːˈoʊ/
01 A prefix from a Greek preposition. It usually signifies from, away from, off, or asunder, separate; as, in apocope (a cutting off), apostat…
  1. 1.
    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.