A type of sword used in Muslim countries from the mid-16th to late 19th centuries
A Montenegrin perceived it and ran immediately to him and drew his yataghan, saying, “You are very brave, and must wish that I should cut off your head rather than that you should fall into the hands of the enemy.”.
() From Turkish yatağan, Merriam-Webster Online Dictionary Merriam-Webster. 2008. from Old Turkic root yat- (“to bend, incline; to lie”), Nişanyan Sözluk. whence also words like yatmak (“to lie”), yatak (“bed”), yatay (“horizontal”), etc.