太刀たち筋すじ

noun

swordsmanship; sword technique; way of the sword

Refers to the skill, technique, or style of using a long sword (太刀). Often used in historical or martial arts contexts.

• 彼かれの太刀たち筋すじは見み事ごとで、誰だれも敵かなわなかった。

  His swordsmanship was superb, and no one could match him.