συμπρεσβευτής
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
οῦ, ὁ,
A fellow-ambassador, Lys.27.1, Aeschin.1.168, IG22.786.11, OGI339.11 (Sestos, ii B.C.).
German (Pape)
[Seite 990] ὁ, Mitgesandter; Aesch. 1, 168; im plur., Lys. 27, 1.
Greek (Liddell-Scott)
συμπρεσβευτής: -οῦ, ὁ, ὁ συμπρεσβεύων, ὁ ἀποσταλεὶς ὡς πρεσβευτὴς μετ’ ἄλλου πρεσβευτοῦ, Λυσί. 177. 41, Αἰσχίν. 24. 12.