The book assigns istiṭālah to ḍād (ض), referring to its distinctive extension during side-of-tongue articulation near the molars. This depends on the ḥāfah (side of tongue) point studied previously.
Substituting a plain d, z or ẓ sound does not preserve ḍād's identity. Practise أَضْ against a reliable recitation or direct instruction rather than relying only on the descriptive term.
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Istiṭālah of ḍād
Ṣifāt al-Ḥurūf — Opposing Qualities and Strength Grades
The book assigns istiṭālah to ḍād (ض), referring to its distinctive extension during side-of-tongue articulation near the molars. This depends on the ḥāfah (side of tongue) point studied previously.
Substituting a plain d, z or ẓ sound does not preserve ḍād's identity. Practise أَضْ against a reliable recitation or direct instruction rather than relying only on the descriptive term.