Choose the correct answer

Which form is the Ism Fa'il of Bab 9?

Derived Trilateral - Bab 8: If'aal & Bab 9: If'il (Assimilation Doors)

• مُطَّهِّرٌ
• مُتَطَهِّرٌ
• اِطَّهُرٌ
• اِطَّهَّرَ