紫し電でん

noun

purple lightning; flash of a sword

Literary or poetic term for a vivid purple flash of lightning, often used metaphorically for the swift gleam of a sword blade.

• 紫し電でん一いっ閃せん、彼かれの太刀たちが敵てきを斬きり裂さいた。

  With a flash of purple lightning, his long sword cut through the enemy.

• 暗あん雲うんの中なか、紫し電でんが走はしった。

  Purple lightning streaked through the dark clouds.