صُمْتُ دَهْرًا
Translation: I fasted for a long span.
صُمْتُ: past verb built on sukūn with attached subject “tu”, a nominative pronoun.
دَهْرًا: accusative indefinite time adverbial governed by “ṣumtu”.
Dahran answers “for how long?”, not “who fasted?” or “what was fasted?”.
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Al-Mafʿūl Fīhi: Adverbials of Time and Place
صُمْتُ دَهْرًا
Translation: I fasted for a long span.
صُمْتُ: past verb built on sukūn with attached subject “tu”, a nominative pronoun.
دَهْرًا: accusative indefinite time adverbial governed by “ṣumtu”.
Dahran answers “for how long?”, not “who fasted?” or “what was fasted?”.