embassage

 
Pronunciation: /ˈɛmbəsɪdʒ/

noun

archaic
  • the business or message of an envoy: [count noun]: he listened to this late embassage [mass noun]: envoys of uncertain embassage
  • a deputation sent to or on behalf of a head of state.

Origin:

late 15th century (denoting the action of sending an envoy): from Old French ambasse 'message or embassy' + -age