﴿ وَأَرْسَلَ عَلَيْهِمْ طَيْرًا أَبَابِيلَ ﴾

“Thus, He let loose upon them great swarms of flying creatures”

and unleashed upon them swarms of birds birds in droves one following the next it is said there is no singular form for it abābīl like asātīr; but some say that the singular is abūl or ibāl or ibbīl similar in constructed pattern to ‘ajūl miftāh and sikkīn