Answer:
brave
Explanation:
A doughty deed is synonymous to a brave and courageous act. The context of the story reveals that the man telling the story talked about some fearless deeds from the past. His appearance resembles that of a soldier as he had broad shoulders that appeared squared when seated.
He also witnessed the wars, the foreign people, and some diseases and predicaments that they experienced. These details lead to the conclusion that the visitor talked about brave deeds of the past.
