A scimitar (/ˈsɪmɪtər/ or /ˈsɪmɪtɑːr/)[1] is a single-edged sword with a convex curved blade[2][3][4] of about 76.2 to 91.44cm (30 to 36 inches) associated with Middle Eastern, South Asian, or North African cultures.
These swords include the Persian shamshir (the origin of the word scimitar), the Arab saif, the Indian talwar, the North African nimcha, the Turkish kilij, and the Afghan pulwar.
Nomadic horsemen learned from experience that a curved edge is better for cutting strikes because the arc of the blade matches that of the sweep of the rider's arm as they slash the target while galloping.
The scimitar was widespread throughout the Middle East from at least the Ottoman period until the age of smokeless powder firearms relegated swords to dress and ceremonial function.
[16][12] These Turkic warriors sported an early type of sabre which had been used in central Asia since the 7th century, but failed to gain wider appeal initially in Islamic lands.
When the Seljuk Empire invaded Persia and became the first Turkic Muslim political power in Western Asia, kilij became the dominant sword form.
[24] "The Sword was of enormous length and breadth, heavy and unweildy, design'd only for right down chopping by the Force of a strong Arm; till Time and Experience discovering the Disadvantages, by Degrees contracted its Length and lighten'd its Weight in to the more handy Form of the Scymitar; which was first invented by the Eastern Nations, and has continued to be their principal Weapon to this Day:...." "The Saracens, Turks and Persians, made use of but three different Throws with the Scymitar, and one of those, only on Horseback; the other two on Foot.