Bird's-eye View Of Afghanistan

The men of Kábul and Khilj also went home; and whenever they were ques­tioned about the Musulmáns of the Kohistán (the mountains), and how matters stood there, they said, "Don't call it Kohistán, but Afghánistán; for there is nothing there but Afgháns and dis­turbances." Thus it is clear that for this reason the people of the country call their home in their own language Afghánistán, and themselves Afgháns.
By the 17th century AD, it seems that some Pashtuns themselves were using the term as an ethnonym - a fact that is supported by traditional Pashto literature, for example, in the writings of the 17th-century Pashto poet Khushal Khan Khattak:
Pull out your sword and slay any one, that says Pashtun and Afghan are not one! Arabs know this and so do Romans: Afghans are Pashtuns, Pashtuns are Afghans!
The last part of the name, -stān is a Persian suffix for "place", prominent in many languages of the region. The name "Afghanistan" is described by the 16th century Mughal Emperor Babur in his memoirs as well as by later Mughal scholar Firishta, both referring to the territories south of Kabul that were inhabited by Pashtuns (called "Afghans" by both authors). Until the 19th century the name was used for the traditional lands of the Pashtuns only, while the kingdom as a whole was known as the Kingdom of Kabul, as mentioned by the British statesman and historian Mountstuart Elphinstone. In 1857, in his review of J.W. Kaye's The Afghan War, Friedrich Engels describes "Afghanistan" as: