If the lips round while articulating fatḥah, the vowel may begin to sound like ḍammah, as the chapter warns.
Practice: distinguish «قَ» from «قُ». The consonant remains qāf, but the vowel configuration changes. Do not impose the lip rounding of ḍammah on a fatḥah.
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When fatḥah drifts toward ḍammah
Correct Vowel Articulation — Fatḥah, Kasrah, Ḍammah, Ishbāʿ and Sukūn
If the lips round while articulating fatḥah, the vowel may begin to sound like ḍammah, as the chapter warns.
Practice: distinguish «قَ» from «قُ». The consonant remains qāf, but the vowel configuration changes. Do not impose the lip rounding of ḍammah on a fatḥah.