Noun
kissaki (plural kissakis)
The curved tip of a Japanese sword, just behind the point.
Although it is not commonly known, the "chisel point" kissaki originated in Japan. Source: Internet
A triangular section is cut off from the tip of the bar and shaped to create what will be the kissaki. Source: Internet
These are a thick back (mune), a thinner edge (ha), a curved tip (kissaki), notches on the edge (hamachi) and back (munemachi) which separate the blade from the tang (nakago). Source: Internet