The two forms reach a quadrilateral-looking structure in different ways.
Key added featureExampleBase root
An added repeated letter gives the Fa'lalah shapeجَلْبَبَج، ل، ب
A silent ن is inserted between Ayn and Laamقَلْنَسَق، ل، س
Both remain based on triliteral roots even though their surface forms resemble quadrilateral patterns.
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Attached Trilateral (Mujarrad) - Bab 1: Fa'lalah & Bab 2: Fa'nalah
The two forms reach a quadrilateral-looking structure in different ways.
Key added featureExampleBase root
An added repeated letter gives the Fa'lalah shapeجَلْبَبَج، ل، ب
A silent ن is inserted between Ayn and Laamقَلْنَسَق، ل، س
Both remain based on triliteral roots even though their surface forms resemble quadrilateral patterns.