The object 🗡️ could be a symbol used for knives and other bladed weapons (cf. Crossed Swords) as well as a variety of cutting and stabbing meanings.
Note: When the Dagger Knife was added to Emoji 1.0 in 2015, it was approved as Unicode 7.0 in 2014.
Also Known As
🗡️ Fighting Sword
🗡️ Samurai Sword
🗡️ Short Sword
🗡️ Knife Weapon
🗡️ Dagger Knife
🗡️ Cutlass (quite intense, I know)