The prefixed hā of hādhā is attention; the suffix -hā in fataḥtuhā is a feminine object pronoun. Their grammatical functions are different.
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Attention Hā versus Pronominal Hā
Attention Particles: Alā, Amā and Hā
The prefixed hā of hādhā is attention; the suffix -hā in fataḥtuhā is a feminine object pronoun. Their grammatical functions are different.