Adh-Dhaariyat • EN-AL-JALALAYN
﴿ فَٱلْجَٰرِيَٰتِ يُسْرًۭا ﴾
“and those that speed along with gentle ease,”
and those that run the ships that run upon the surface of the water with ease yusran is a verbal noun functioning as a circumstantial qualifier that is to say muyassaratan;