The chapter requires vowels to remain audible but not become sukūn-like, and sukūn to remain complete without acquiring a vowel. A consonant marked sākin must not receive an accidental fatḥah, kasrah or ḍammah.
Teaching example «أَبْ»: the final bāʾ is sākin, not «أَبَ» or «أَبِ». Articulate the consonant without inserting a new vowel after it.
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Sukūn is not a hidden short vowel
Correct Vowel Articulation — Fatḥah, Kasrah, Ḍammah, Ishbāʿ and Sukūn
The chapter requires vowels to remain audible but not become sukūn-like, and sukūn to remain complete without acquiring a vowel. A consonant marked sākin must not receive an accidental fatḥah, kasrah or ḍammah.
Teaching example «أَبْ»: the final bāʾ is sākin, not «أَبَ» or «أَبِ». Articulate the consonant without inserting a new vowel after it.