秘ひ剣けん

noun

secret swordsmanship; secret fencing traditions

Refers to the hidden or esoteric techniques of a particular school of swordsmanship, often passed down orally or in secret writings.

• その流りゅう派はの秘ひ剣けんは門もん外がい不ふ出しゅつとされている。

  The secret swordsmanship of that school is said to be kept strictly within the school.

• 古こ文ぶん書しょに記しるされた秘ひ剣けんの技わざを研けん究きゅうする。

  I study the secret fencing techniques recorded in the old documents.