The source adds a short but important rule: do not begin or restart recitation from tanwīn. Tanwīn is not a separate word; it is an ending sign on the previous word, not a standalone opening sound.
Self-check: when starting midway through a sequence such as «بِزِينَةٍ الْكَوَاكِبِ», choose an actual word boundary. Do not attempt to begin with only the tanwīn sound.
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Why you do not begin with tanwīn
Meeting of Two Sākin Letters — ʿAlā Ḥaddih, Ghayr Ḥaddih and Tanwīn
The source adds a short but important rule: do not begin or restart recitation from tanwīn. Tanwīn is not a separate word; it is an ending sign on the previous word, not a standalone opening sound.
Self-check: when starting midway through a sequence such as «بِزِينَةٍ الْكَوَاكِبِ», choose an actual word boundary. Do not attempt to begin with only the tanwīn sound.