As for those, who, even after their injuries during the battle of Uhud, responded to the call of Allah and His Messenger to follow the Qureysh army which was gathering to attack again, there will be a great reward for such of those who do righteous deeds and refrain from evil,
Meaning:-
Uhud: Battle of Uhud (Arabic: ‘Uḥud) was fought on Saturday, March 19, 625 (3 Shawwal 3 AH in the Islamic calendar) at the valley located in front of Mount Uhud, in what is now northwestern Arabia.
Quraysh (Arabic: Qurayš; other transliterations include Qureish, Quraish, Quresh, Qurish, Kuraish, Qureshi, and Coreish) were a powerful merchant tribe that controlled Mecca and its Ka’aba and that, according to Islamic tradition, descended from Ishmael.