دوشیرمه

Also known as Devshirme, blood tax

thumb|304x304px|Illustration of an Ottoman official and his assistant registering Christian boys for the devshirme. The official takes a tax to cover the price of the boys' new red clothes and the cost of transport from their home, while the assistant records their village, district and province, parentage, date of birth and physical appearance. Ottoman miniature painting, 1558.