noun, noun or participle which takes 'suru', transitive verb
seeing an emperor off
Formal, historical term for bidding farewell to an emperor or imperial personage. Rare in modern Japanese; limited to historical or ceremonial descriptions.
古い記録には、天皇を奉送する儀式の様子が詳しく書かれている。
Old records describe in detail the ceremony of seeing the emperor off.
Common modern verb for seeing someone off; 奉送 is a much rarer, formal term specifically for an emperor.
Compound of 奉 (ほう, 'to offer, to serve respectfully') and 送 (そう, 'to send off'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of respectfully seeing off an emperor.