Bab 9 is represented here by اِطَّهَّرَ.
Its verbal noun is اِطَّهُرٌ, meaning to become purified or clean oneself.
Source-supported active sequence:
اِطَّهَّرَ يَطَّهَّرُ اِطَّهُرًا فَهُوَ مُطَّهِّرٌ
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Bab 9: Ittahhara
Derived Trilateral - Bab 8: If'aal & Bab 9: If'il (Assimilation Doors)
Bab 9 is represented here by اِطَّهَّرَ.
Its verbal noun is اِطَّهُرٌ, meaning to become purified or clean oneself.
Source-supported active sequence:
اِطَّهَّرَ يَطَّهَّرُ اِطَّهُرًا فَهُوَ مُطَّهِّرٌ