Although it is not known when the Omani khanjar was first created, rock carvings epitomizing the dagger were found on gravestones located in the central part of the Ru’us al Jibal region.
Meski tidak diketahui secara pasti kapan khanjar Oman pertama kali diciptakan, pahatan batu yang melambangkan belati ditemukan pada batu nisan yang berlokasi daerah Ru’us al Jibal.