هَذَا خَاتَمٌ حَدِيدًا
Translation: This is a ring made of iron.
هَذَا: demonstrative, indeclinable in the nominative position as topic.
خَاتَمٌ: nominative predicate.
حَدِيدًا: indefinite accusative tamyīz identifying the material of the ring.
Ḥadīdan is not a direct object; the nominal sentence is complete and the noun clarifies the material.
Opening interactive controls...
At-Tamyīz: Clarifying Quantities and Sentence Relations
هَذَا خَاتَمٌ حَدِيدًا
Translation: This is a ring made of iron.
هَذَا: demonstrative, indeclinable in the nominative position as topic.
خَاتَمٌ: nominative predicate.
حَدِيدًا: indefinite accusative tamyīz identifying the material of the ring.
Ḥadīdan is not a direct object; the nominal sentence is complete and the noun clarifies the material.