Strong's G4242 — πρεσβεία (noun)
presbeia (pres-bei'-ah) n.
1. seniority (eldership)
2. (by implication) an embassy
3. (concretely) ambassadors
[from G4243]
KJV: ambassage, message 
Root(s): G4243 
Hebrew root: πρεσβεύω
Occurrences: 2