Counterpart tanwīn is not simply an indefiniteness marker; it may persist even in the feminine-plural-form proper name ʿArafātin.
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Why This Is Not Simply Tankīr
Tanwīn: Five Types, Their Function, and Omission
Counterpart tanwīn is not simply an indefiniteness marker; it may persist even in the feminine-plural-form proper name ʿArafātin.