Strong's G4243 · Greek

πρεσβεύω

presbeuo · pres-byoo'-o

from the base of 4245; to be a senior, i.e. (by implication) act as a representative (figuratively, preacher)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 * πρεσβεύω ( πρέσβυς ), to be the elder , to take precedence . to be an ambassador (v.s. πρεσβύτης ): II Co 5:20 , Eph 6:20 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain