According to the book, some inkhifāḍ during fatḥah can make it resemble kasrah. The mouth has shifted from an open fatḥah setting toward the kasrah setting.
Self-check: recite «لَ» and «لِ» separately. If the first begins sounding like the second, restore a clearer fatḥah configuration. The point is audible differentiation, not exaggerated articulation.
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When fatḥah drifts toward kasrah
Correct Vowel Articulation — Fatḥah, Kasrah, Ḍammah, Ishbāʿ and Sukūn
According to the book, some inkhifāḍ during fatḥah can make it resemble kasrah. The mouth has shifted from an open fatḥah setting toward the kasrah setting.
Self-check: recite «لَ» and «لِ» separately. If the first begins sounding like the second, restore a clearer fatḥah configuration. The point is audible differentiation, not exaggerated articulation.