Stumbled upon this Tang poem 安祿山古讖 "Old prophesy of An Lushan" (全唐詩, vol. 875): 兩角女子綠衣裳， 端坐太行邀君王， 一止之月必消亡。 Where 兩角女子 "two-horned woman" refers to 安 from his name, because the main medieval semi-curs