فَسَنُيَسِّرُهُۥ لِلْيُسْرَىٰ
Sentence structure
فَ marks the result, سَ the future, and نُيَسِّرُ a Form II first-person-plural imperfect. هُۥ is its object; لِلْيُسْرَىٰ is linked to the verb.
Ayah summary
We will make the path of goodness and a good end easy for him.
فَسَنُيَسِّرُهُۥ — Then We shall ease him
Grammar: فَ marks result, سَ future; نُيَسِّرُ is Form II first-person-plural imperfect and هُۥ its object. Its subject is the hidden pronoun «نَحْنُ».
لِلْيُسْرَىٰ — towards ease
Grammar: لِ is a preposition, ٱل defines, and يُسْرَىٰ is feminine and genitive in position. This phrase is linked to «نُيَسِّرُهُۥ».