It was first
used as a gesture of friendship and peace by primitive
men who wished to show their hands were empty of
weapons.
手に武器を持っていないことを表すのが始まり
Doffing one's hat (紳士が帽子をあげての会釈)
Dates back to
the days of Chivalry(騎士道), when friendly knights
in armor(鎧兜) raised their helmet visors(顔の部分) to
be recognized, originated in Medieval(中世) times.
騎士道時代、剣試合の時、騎士たちは、兜の顔の部分を上げ、相手に顔を見せる動作を行っていた。
Coming Out Party (別名 デビュタントDebutante)
These parties
have their origin in the ancient customs of secluding
females until they reached the marriage age.