Vajra - Wikipedia

The Vajra (Sanskrit: वज्र, romanized: Vajra, lit. 'Thunderbolt') is a legendary and ritualistic weapon, symbolizing the properties of a diamond (indestructibility) and a thunderbolt (irresistible force).[1][2] The vajra is a type of club with a ribbed spherical head. The ribs may meet in a ball-shaped top, or they may be separate and end in sharp points with which to stab. The vajra is the weapon

[tk18]

「バジュラ」って、「金剛」のことなのか。