يَتِيمًۭا ذَا مَقْرَبَةٍ
Sentence structure
يَتِيمًا is the accusative object of إِطْعَـٰمٌ. ذَا is its accusative adjective and is annexed to genitive مَقْرَبَةٍ.
Ayah summary
It is to feed an orphan who is a near relative.
يَتِيمًۭا — An orphan
Grammar: An indefinite masculine-singular accusative object of the feeding verbal noun in the preceding ayah.
ذَا — of
Grammar: A masculine accusative adjective of يَتِيمًا, annexed to the next noun.
مَقْرَبَةٍ — near relationship
Grammar: An indefinite feminine genitive noun functioning as the complement of ذَا.