From presbeuo; seniority (eldership), i.e. (by implication) an embassy (concretely, ambassadors) -- ambassage, message.
see GREEK presbeuo
1. age, dignity, right of the first born: Aeschylus Pers. 4; Plato, de rep. 6, p. 509 b.; Pausanias, 3, 1, 4; 3, 3, 8.
2. the business usually to be entrusted to elders, specifically, the office of an ambassador, an embassy (Aristophanes, Xenophon, Plato); abstract for the concrete, an ambassage, i. e. ambassadors, Luke 14:32; Luke 19:14.