G4243
πρεσβεύω
be ambassador
πρεσβεύω (πρέσβυς), __1. to be the elder, to take precedence. __2. to be an ambassador (see: πρεσβύτης): 2Co.5:20, Eph.6:20.† (AS)
The KJV translates G4243 in the following manner:
ambassador (2x), ambassadors (2x)
Full Thayer's lexicon entry
πρεσβεύω — presbeúō
πρεσβεύω; (πρέσβυς an old man, an elder (Curtius, p. 479; Vanicek, p. 186));
1. to be older, prior by birth or in age ((Sophocles), Herodotus and following).
2. to be an ambassador, act as an ambassador: 2Co 5:20; Eph 6:20, ((Herodotus 5, 93 at the beginning), Aristophanes, Xenophon, Plato, and following).
2 occurrences
II Corinthians (1), Ephesians (1)