Complex sentence: Since the Turks were being described as people of small stature in the "Tangshu", the description of the Kirghiz as tall, blue-eyed blonds excited the early interest of scholars, who assumed that they could not have originally been Turkic in language.
Split into simpler sentences: Since the Turks were being described as people of small stature in the "Tangshu". The description of the Kirghiz as tall, blue-eyed blonds excited the early interest of scholars, who assumed that they could not have originally been Turkic in language.