شُكْرًا
Translation: Thank you / I thank you.
شُكْرًا: accusative maṣdar governed by an omitted verb.
Expanded: شَكَرْتُكَ شُكْرًا; verb with subject tāʾ, -ka direct object, shukran absolute object.
The everyday standalone expression retains an understood verbal meaning.
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The Accusatives: Al-Mafʿūl al-Muṭlaq
شُكْرًا
Translation: Thank you / I thank you.
شُكْرًا: accusative maṣdar governed by an omitted verb.
Expanded: شَكَرْتُكَ شُكْرًا; verb with subject tāʾ, -ka direct object, shukran absolute object.
The everyday standalone expression retains an understood verbal meaning.