In layaktuban(n), the emphatic ending strengthens a verb; it is excluded from the definition of tanwīn. Rajulun has noun tanwīn instead.
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Tanwīn versus Emphatic Nūn
Tanwīn: Five Types, Their Function, and Omission
In layaktuban(n), the emphatic ending strengthens a verb; it is excluded from the definition of tanwīn. Rajulun has noun tanwīn instead.